Quiz about 10.4 Percent Application Review

Question 1

The price of a graphing calculator is $80. The sales tax is 7%. What is the total cost of the calculator?

Accepted Answer

$85.60

Answer

$5.60

Answer

$87.00

Answer

$74.40

Question 2

The original price of a pair of shoes is $29.90 and there is a markdown of 10% for a Black Friday sale. What is the amount of money being taken off the original price?

Accepted Answer

$2.99

Answer

$4.99

Answer

$27.00

Answer

$32.00

Question 3

Amanda increased the amount of protein she eats every day from 48 g to 54 g. By what percentage did Amanda increase the amount of protein she eats?

Accepted Answer

12.5%

Answer

11.1%

Answer

88.9%

Answer

112.5%

Question 4

Ben purchased a shirt for $17 and a pair of socks for $4.50. If the sales tax rate was 8%, how much did Ben pay for these items?

Accepted Answer

$23.22

Answer

$25.10

Answer

$27.25

Answer

$22.30

Question 5

There were 50 students in the chess club. The membership went up by 10%. How many more students joined the club?

Accepted Answer

5

Answer

12

Answer

3

Answer

10

Question 6

The price of a video game was reduced from$60 to $45. By what percentage was the price of the video game reduced?

Accepted Answer

25%

Answer

40%

Answer

15%

Answer

75%

Question 7

A cell phone costs $120 dollars. The price was reduced 30% for a sale. How much is the savings?

Accepted Answer

$36

Answer

$70

Answer

$76

Answer

$30

Question 8

A coat from Macy's normally costs $125 but is marked up 12%. What is the price of the coat?

Accepted Answer

$140.00

Answer

$40.00

Answer

$163.00

Answer

$98.00

Question 9

What is the percent discount if a pair of jeans normally costs $55 but was on sale for $35?

Accepted Answer

36%

Answer

30%

Answer

25%

Answer

52%

Question 10

Suppose a family pays $29.99 for a dinner meal. They leave a 15% tip. Find both the tip and the total price of the meal.

Accepted Answer

Tip = $4.50
Total = $34.50

Answer

Tip = $15.20
Total = $45.20

Answer

Tip = $1.10
Total = $31.10

Answer

Tip = $9.40
Total = $24.56

Question 11

Sam bought an $85.00 jacket for 40% off of the regular price. How much did he pay for the jacket?

Accepted Answer

$51

Answer

$75

Answer

$36

Answer

$119

Question 12

Eliza bought a meal that cost $ 12.00. She tipped the waiter 25% of that amount. How much was the tip?

Accepted Answer

$3.00

Answer

$ 15.00

Answer

$ 12.25

Answer

$4.00

Question 13

Kimberly's family has a dinner bill of $26 and wants to leave a 15% tip for their server. How much is their bill with tip?

Accepted Answer

29.90

Answer

39.00

Answer

4.00

Answer

3.90

Question 14

Kathy buys a shirt that costs $8.25.  If the sales tax where Kathy lives is 7.5% what is the total cost of Kathy's shirt?

Accepted Answer

$8.87

Answer

$8.25

Answer

$8.85

Answer

$8.26

Question 15

Patrick received a 25% tip on a meal costing $14.00. What was the amount of tip?

Accepted Answer

$3.50

Answer

$17.50

Answer

$3.25

Answer

$17.25

Question 16

Marty wants to buy an $18.00 DVD that is on sale for 40% off.  How much will Marty pay for the DVD?

Accepted Answer

$10.80

Answer

$18

Answer

$7.20

Answer

$17

Question 17

The attendance for the basketball game was estimated to be 15,000 people but 12,500 people attended. What was the percent error?

Accepted Answer

20%

Answer

16.67%

Answer

2500%

Answer

80%

Question 18

The new toy your brother wants for Christmas costs $16.00. With a 6% sales tax, how much money is the toy really going to cost?

Accepted Answer

$16.96

Answer

$15.04

Answer

$0.96

Answer

$16.06

Question 19

Hernando buys a radio for $59.99 and a CD for $13.99. How much is the sales tax if the rate is 7%? Round to the nearest cent.

Accepted Answer

$5.18

Answer

$0.98

Answer

$4.20

Answer

$51.79

Question 20

If you receive 25% off an item costing $22.00, how much money do you save?

Accepted Answer

$ 5.50

Answer

$ 4.25

Answer

$16.50

Answer

$7.35

Question 21

A winter coat with an original price of $199.00 is on discounted 45% at the end of the season. What is the sale price?

Accepted Answer

$109.45

Answer

$154.00

Answer

$89.55

Answer

$149.50

Question 22

If your cell phone bill was $84.50 and there is a 7.5% late fee, how much will your bill be?

Accepted Answer

$90.84

Answer

$92.00

Answer

$78.16

Answer

$6.34

Question 23

A $1250 TV is on sale for $200 off the regular price. The tax is 5.5%. What is the total cost of the TV with tax?

Accepted Answer

$1107.75

Answer

$1318.75

Answer

$1529.75

Answer

$1075.50

Question 24

Kate used a 30% off coupon to purchase a sweater. If she saved $14.40, what was the original price of the sweater?

Accepted Answer

$48.00

Answer

$45.20

Answer

$52.40

Answer

$54.00

Question 25

A stereo system is marked down from $450 to $382.50.
What is the discount rate?

Accepted Answer

15%

Answer

$67.50

Answer

17.6%

Answer

16

Question 26

A Chicago Cubs baseball cap costs $30.  Michael has a coupon that will save him 30% of the  price. How much money will Michael pay for the cap?

Accepted Answer

$21.00

Answer

$9.00

Answer

$22.00

Answer

$21.36

Question 27

Find the compound interest:
Principal: $1735
Interest Rate: 0.8%
Time: 1 year

Accepted Answer

$13.88

Answer

$1,388

Answer

$138.80

Answer

None of the answers are correct.

Question 28

Find the simple interest:
Principal: $6,000
Interest Rate: 5%
Time: 6 months

Accepted Answer

$150

Answer

$1,800

Answer

$1,500

Answer

$15,000

Question 29

A bank is offering 2.5% simple interest on a savings account.  If you deposit $5,000, what will be the total amount of money in your savings account after three years?

Accepted Answer

$5375

Answer

$375

Answer

$42500

Answer

$37500

Question 30

A bank is offering 2.5% simple interest on a savings account.  If you deposit $5,000, how much interest will you earn in three years?

Accepted Answer

$375

Answer

$5375

Answer

$37500

Answer

$42500

Question 31

Jerry borrowed $4,000 for 5 years at 6% simple interest rate. How much interest is that?

Accepted Answer

$1,200

Answer

$800

Answer

$1,000

Answer

$1,500

Question 32

Emilio borrows $1200 from a bank with 8% simple interest per year.  How much will he have to pay back total in 2 years?

Accepted Answer

1392

Answer

150

Answer

192

Answer

1350

Question 33

What does the "I" in the interest formula stand for?

Accepted Answer

Interest

Answer

Important

Answer

Internet

Answer

Igloo

Question 34

The compound interest formula is:

A = P(1 + r)^t

What does the A represent?

Accepted Answer

The total amount of money after a certain amount of time.

Answer

The amount of interest earned.

Answer

The amount of time that has passed.

Answer

The amount required to invest.

Question 35

the time has to be in _____________

Accepted Answer

years

Answer

months

Answer

days

Answer

seconds

Question 36

When you convert the interest rate of 0.502% into a decimal, you would get?

Accepted Answer

0.00502

Answer

502

Answer

5.02

Answer

0.0502

Question 37

When you convert the interest rate of 0.01% into a decimal, you would get?

Accepted Answer

0.0001

Answer

0.01

Answer

0.001

Answer

0.00001

Question 38

Emilio borrows $1200 from a bank with 8% simple interest per year. How much will he have to pay back total in 2 years?

Accepted Answer

$1392

Answer

$150

Answer

$192

Answer

$1350

Question 39

Find the total amount in the account to the nearest cent if the interest is compounded annually.
$2750 at 8% for 2 years

Accepted Answer

$3207.60

Answer

$2200.00

Answer

$8910.00

Answer

$2750

Question 40

Justin felt it wasn't to late to say sorry and borrows $1200 from a bank with 8% simple interest per year.  How much will he have to pay back total in 2 years?

Accepted Answer

$1392

Answer

$150

Answer

$192

Answer

$1350

Question 41

Bilbo Baggins earned $475 from walking long distances last summer. He deposited this money in an account that pays an interest rate of 3.8% compounded annually. What will be his balance after 2 years?

Accepted Answer

$511.79

Answer

$180.50

Answer

$361.00

Answer

$ 36.10

Question 42

Tickets to Disney World are $100. The price is going to increase on January 1. What is the percent of change if the cost increases to a $120?

Accepted Answer

20%

Answer

25%

Answer

18%

Answer

50%

Question 43

Find the PERCENT of Change.
The original cost was $50 and the new cost is $60.

Accepted Answer

Increase 20%

Answer

Increase 16.67%

Answer

Increase $10

Answer

Decrease $10

Question 44

Find the percent of change if the original cost was $5 and the new cost is $1.

Accepted Answer

Decrease 80%

Answer

Increase $4

Answer

Decrease $4

Answer

Decrease 400%

Question 45

A Chicago Cubs baseball cap costs $30.  Michael has a coupon that will save him 30% of the  price. How much money will Michael pay for the cap?

Accepted Answer

$21.00

Answer

$9.00

Answer

$22.00

Answer

$21.36

Question 46

Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent of change?

Accepted Answer

11%

Answer

24%

Answer

20%

Answer

50%

Question 47

200 children attended the school play. Of the total attendance, 40% were boys. How many girls attended the school play?

Accepted Answer

120

Answer

800

Answer

180

Answer

80

Question 48

Find the percent of change if the original cost was $5 and the new cost is $1.

Accepted Answer

Decrease 80%

Answer

Increase $4

Answer

Decrease $4

Answer

Decrease 400%

Question 49

Last week, you finished level 2 of a video game in 32 minutes. Today, you finished level 2 in 28 minutes. What is your percent of change?

Accepted Answer

Decrease 12.5%

Answer

Increase 12.5%

Answer

Increase 4%

Answer

Decrease 4%

Question 50

Sally went to the clearance rack at a department store and found a shirt she wanted to buy.  The shirt was $36.00 and is on sale for $24.00.  What is the percent of the decrease?

Accepted Answer

33%

Answer

67%

Answer

50%

Answer

34%

Question 51

Ms. Scott receives a basket of apples at her door every Friday morning.  Last Friday, there were 5 apples in the basket.  This Friday, there were 8 apples in the basket.  What is the percent of increase in the number of apples in the basket?

Accepted Answer

60%

Answer

38%

Answer

63%

Answer

167%

Question 52

What is 40% of 230?

Accepted Answer

92

Answer

9200

Answer

9.20

Answer

575

Question 53

Change .98 into a percent.

Accepted Answer

98%

Answer

9.8%

Answer

980%

Answer

.98%

Question 54

Change 32% into a decimal.

Accepted Answer

.32

Answer

32

Answer

3.2

Answer

.032

Question 55

You are purchasing a T.V for $990 T.V with 9% sales tax. What is the final price of the T.V.?

Accepted Answer

$ 1,079.10

Answer

$89.10

Answer

$900.90

Answer

$ 1,709.1

Question 56

Ralph buys a computer for $675. The sales tax rate is 6%. How much did Ralph pay for the computer?

Accepted Answer

715.50

Answer

40.50

Answer

6.00

Answer

634.50

Question 57

A sweatshirt was on sale for 25% off the marked price. The sweatshirt regularly costs $55.00. What is the sale price of the sweatshirt?

Accepted Answer

$41.25

Answer

$13.75

Answer

$68.75

Answer

$137.50

Question 58

Teachers were told that next year they would receive a percent increase in their salary. Mr. Murphy is making $32,000 a year and will receive $2,550 more next year. What is the percent increase? Round to the nearest percent.

Accepted Answer

8%

Answer

7%

Answer

9%

Answer

94%

Question 59

If the regular price of a jacket is $62.00 and the discount rate is 15%, what is the sale price?

Accepted Answer

$52.70

Answer

$9.30

Answer

$71.30

Answer

$53.30

Question 60

How much tip should you leave if you want to tip 23% at Applebee's on a $27.31 bill?

Accepted Answer

$6.28

Answer

$33.59

Answer

$21.03

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