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Unit 5 Study Guide

Total questions: 12

Worksheet time: 24mins

Name
Class
Date
1.

Wendy sells necklaces. She sells a necklace for $24.90, and the sales tax is 5% of the sale price.  How much is the sales tax on the necklace?

a)

$1.245

b)

$1.25

c)

$50

d)

$26

2.

A salesperson needed to sell a four–wheeler. He priced it at $2,500 originally. The second day he reduced the price by 12%. What was the price of the four–wheeler after this reduction?

a)

$2200

b)

$300

c)

$2500

d)

$2700

3.

Shantel wants to get the best deal. Which store offers the phone at the lowest price after the discount?

a)

My phones - $180

b)

Phones 4 Less - $195.50

c)

Fone4U - $192.50

4.

A store buys shirts for $15 each and marks up the price by 20%. What is the price for a shirt at this store?

a)

$16

b)

$18

c)

$24

d)

$12

5.

At a pet store, 19% of the animals are cats. If there are a total of 50 animals at the pet store, write a proportion that can be used to find x, the number of cats at the pet store.

a)

x50=19100\frac{x}{50}=\frac{19}{100}  

b)

50x=19100\frac{50}{x}=\frac{19}{100}  

c)

x50= 10019\frac{x}{50}=\ \frac{100}{19}  

6.

Mr. Nolan borrows $30,000 from the bank to purchase a new car.  The simple interest rate on the loan is 3%.  If it takes Mr. Nolan 5 years to pay back the loan, then what is the dollar amount of interest he will pay?

a)

$4000

b)

$27

c)

$2500

d)

$4500

7.

The Byrd’s want to buy a new Sony Playstation 5. The regular price is $575. The store is offering a 25% discount and a sales tax of 8% is added after the discount. What is the total cost of the Playstation?

a)

$460

b)

$450

c)

$465.75

d)

$4500

8.

Jillian bought a novel at a bookstore on sale for 10% off its original price of $17.99. Jennifer bought the same novel at a different bookstore for 20% off its original price of $22. Which person received the better deal?

a)

Jennifer - $16.19

b)

Jennifer - $17.60

c)

Jillian - $17.60

d)

Jillian - $16.19

9.

A car salesman earns 7.5% commission on every sale.  If he sells a car for $30,000, how much did he earn?      

a)

$2000

b)

$500

c)

$2250

d)

$600

10.

Ms. Robinson wanted to leave a 15% tip.  She thought to herself that 15% = 10% + 5%.  Explain how to estimate the tip on a $50.00 bill correctly.

a)

Move the decimal 1 to the right. Then add 7 and say the answer is SpongeBob

b)

Ask Mr. Parrish for the right answer

c)

Move the decimal 1 place to the left. That's $5. Divide that by 2 to get $2.50. Then add $10 and $2.50 to get $7.50 tip.

d)

Move the decimal 1 place to the right. That's $500. Then Multiply by 2 to get $1000. Then add $500 and $1000 to get $1500 tip.

11.

The weatherman forecast the high temperature today to be 75 degrees.  However, the temperature only reached 72 degrees.  What was the percent of error in the weatherman’s forecast

a)

4.17% error

b)

16% error

c)

40% error

d)

40.17% error

12.

At 6:00 AM there was 5 inches of snow on the ground in New York City.  By noon, there was 8 inches of snow.  What was the percent of increase in snow on the ground?

a)

0.6% increase

b)

60% increase

c)

6% increase

d)

It's over 9,000