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Percentage Increase, Decrease, Error, Tax, Tip, Commission

Total questions: 55

Worksheet time: 5hrs 44mins

Name
Class
Date
1.

12% of $90

a)

$12

b)

$78

c)

$10.80

d)

$102

2.

Increase $90 by 12%

a)

$10.80

b)

$102

c)

$100.80

d)

$90.12

3.

Kate scored 54 out of 60 in her maths exam. What is this as a percent?

a)

0.9

b)

54%

c)

90%

d)

60%

4.

A book is advertised as 20% off. If it cost $70 at the register, how much was it originally?

a)

$90

b)

$84

c)

$87.50

d)

$50

5.

My dog's weight is now 125% of what she weighted one year ago. If her weight then was 30kg, what is her weight now?

a)

31.25

b)

30.125

c)

37.5

d)

37.125

6.

Decrease 500 by 30%

a)

470

b)

350

c)

499.70

d)

150

7.

The average number of shirts sold in the shop was 285 every day in summer. As the temperature was lower and lower, the average number of shirts decreased to 114 every day. What was the percentage decrease of in the average number of shirts sold in the shop?

a)

60%

b)

40%

c)

150%

d)

171%

8.

The usual price of a TV set was $500. During the Christmas holiday, the price of a TV set marked down to $413. What was the percentage decrease in the price of a TV set?

a)

82.6%

b)

87%

c)

17.4%

d)

25%

9.

Darren makes $10 per hour. Next semester, he will be making $14 per hour. What rate of increase does this represent?

a)

28.5%

b)

40%

c)

71%

d)

60%

10.
The number of people signed up for a bus trip increased from 32 to 45. What is the percent increase? Round to the nearest percent.
a)
52%
b)
41%
c)
42%
d)
45%
11.
Find the percent increase. Round to the nearest percent.
From $5 to $8 
a)
40%
b)
60%
c)
55%
d)
65%
12.
The number of people signed up for a bus trip increased from 32 to 45. What is the percent increase? Round to the nearest percent.
a)
52%
b)
41%
c)
42%
d)
45%
13.
A grocery store has a 20% markup on bottle of soda.  The bottle of soda costs the store $1.25. Find the selling price. Round to nearest cent if necessary.
a)
$1.5
b)
$1.50
c)
$.25
d)
$1.45
14.

Find the percentage profit: CP = $50, SP = $60

a)

110%

b)

10%

c)

20%

d)

16.7%

15.
Calculate the percentage profit if an item is bought for $42 and sold for $52.50
a)
20%
b)
25%
c)
80%
d)
22%
16.
If an object is bought for $90 and then sold for a loss of 15%. How much was it sold for?
a)
$103.50
b)
$80
c)
75
d)
$76.50
17.
What percent of 25 is 60?
a)
24%
b)
2.4
c)
240%
d)
100%
18.

After a 25% discount, a shirt sells for $39. Find the cost price.

a)

$48.75

b)

$50

c)

$52

d)

$50.70

19.
The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter? 
a)
35%
b)
25%
c)
30%
d)
20%
20.

Original: 35

New: 70

a)

100% increase

b)

50% increase

c)

200% decrease

d)

100% decrease

21.

Original: $350

New: $400

a)

14% increase

b)

25% increase

c)

50% increase

d)

.14% increase

22.

Original: $30

New: $110

a)

267% increase

b)

267% decrease

c)

80% increase

d)

67% increase

23.

Original: 80

New: 52

a)

35% decrease

b)

35% increase

c)

28% decrease

d)

28% increase

24.

Find the percent of change.


From 24 teachers to 30 teachers.

a)

25% decrease

b)

25% increase

c)

20% decrease

d)

20% increase

25.

Find the percent of change.


From 20 miles to 11 miles.

a)

45% decrease

b)

45% increase

c)

82% decrease

d)

82% increase

26.

The average number of shirts sold in the beach shop was 285 on Saturday in the summer. As the temperature went lower, the average number of shirts decreased to 114 every Saturday. What was the percentage decrease of in the average number of shirts sold in the shop?

a)

60%

b)

40%

c)

150%

d)

171%

27.
Lacey bought a new purse that originally cost $25 and is on sale for $15. Find the percent of change in the price in the purse.
a)
Decrease of 40%
b)
Decrease of 10%
c)
Decrease of 30%
d)
Decrease of 20%
28.
Is it an increase or decrease?
12 inches to 36 inches
a)
Increase
b)
Decrease
29.
The attendance for the basketball game was estimated to be 15,000 people but 12,500 people attended. What was the percent error?
a)
16.67%
b)
20%
c)
2500%
d)
80%
30.
Zed went to the store and bought a bag of chips.  He estimated there would be 350 chips in the package, but realized there were only 210 chips in that package.  What was his percent error?
a)
35%
b)
67%
c)
85%
d)
92%
31.
Jessie estimates the weight of her cat to be 8 pounds.  The actual weight of the cat was 10 pounds.  Find the percent error.  
a)
15%
b)
20%
c)
25%
d)
30%
32.
Bob estimates that there will be 230 people who attend the concert.  There was an actual total of 300 people who attended.  Find the percent error.  
a)
23%
b)
33%
c)
27%
d)
37%
33.
An archaeologist estimated that a fossil was 520 years old. It was actually 500 years old. What was the percent error?
a)
4%
b)
20%
c)
3.8%
d)
none of these
34.
Griffin was buying a birthday card, he thinks the price is $4.50, but the actual price is $4. What is his percent of error?
a)
50%
b)
0.5%
c)
12.5%
d)
0.125%
35.
Sam thinks the cost of the book is $50, but actually it's $56. What is Sam's percent of error?
a)
10.7%
b)
6%
c)
12%
d)
89%
36.
Andrew expected $60 for his birthday, but only got $40. What is the percent of error?
a)
50%
b)
20%
c)
67%
d)
150%
37.

You guessed that the Chicago Cubs would win 95 games during the regular season. They actually won 103. What was your percent error? Round to the nearest tenth if necessary.

a)

7.8%

b)

7.4%

c)

0.77%

d)

0.78%

38.

Heather performs an experiment to measure the acceleration of an object due to Earth’s gravitational force and discovers the acceleration of an object is 10.91 meters per second. The actual acceleration of the object is 9.80 meters per second. Approximately what is Heather’s percent error?

a)

0.11%

b)

1.11%

c)

11.33%

d)

10.17%

39.
You guess that Lebron James would score 35 points during the game. He actually scored 28. Find your percent error.
a)
30%
b)
33%
c)
75%
d)
25%
40.
Nick estimated that 60 people would come to eat, but only 45 attended. Whats the % of error?
a)
15%
b)
25%
c)
33%
d)
75%
41.

A water bottle costs $9.45. Sales tax is 7%. What is the total cost?

a)

$9.52

b)

$0.66

c)

$10.11

d)

$8.79

42.

Dinner at the Olive Garden cost $52.37. You leave a 20% tip. What is the total cost?

a)

$72.37

b)

$10.47

c)

$62.84

d)

$41.90

43.

At McDonald’s a McChicken cost $1.49. Meals tax is 5%. What is the total cost?

a)

$1.54

b)

$1.65

c)

$1.56

d)

$1.42

44.

You get a new haircut that costs $15. You give a tip of 20%. What is the total cost?

a)

$35.00

b)

$3.00

c)

$18.00

d)

$12.00

45.

What is the cost of sales tax?

Price $24.95

Tax 7%

a)

$1.75

b)

$17.47

c)

$25.80

d)

$26.70

46.

Find the total cost: $20 meal; 7% sales tax; 20% tip (tip before tax)

a)

$ 32.40

b)

$ 47.00

c)

$25.40

d)

$20.90

47.
How much would the tip be if you left 18% on a $75.45 steak dinner?
a)
$ 13.58
b)
$ 89.03
c)
$ 61.87
d)
$135.80
48.
You are purchasing a T.V for $990 T.V with 9% sales tax. What is the final price of the T.V.?
a)
$ 1881.00
b)
$ 1079.00
c)
$ 1,079.10
d)
$ 1,709.1
49.
Vicky made some purchases at the Sunflower Market. She bought strawberries for $3.50, carrots for $2.25 and a bouquet of flowers for $9.95. If sales tax is 5%, what will Maria pay altogether
a)
$16.49
b)
$16.48
c)
$15.70
d)
$16.50
50.
Kimberly's family has a dinner bill of $26 and wants to leave a 15% tip for their server. How much tip are they leaving?
a)
29.90
b)
39.00
c)
4.00
d)
3.90
51.

Wilson Green sells home security systems. He earns an 11 percent commission on every system he sells. Wilson’s sales for this month totaled $4265. What is Wilson’s commission?

a)

$469.15

b)

$46,915

c)

$4,691.50

d)

$387.72

52.

Derek sells appliances. He is paid a 6.5 percent commission on every appliance he sells. Derek sold $9,732.00 worth of appliances this week. What is Derek’s commission?

a)

$632.58

b)

$63.258

c)

$6,325.80

d)

$143.38

53.

Randy gets fixed salary of $2000 per month and a commission of 2% on sales. If his total sales are $30,000 for the month, find his total salary for the month.

a)

$2,600

b)

$2,000

c)

$32,000

d)

$2,040

54.

Danielle sells beauty supplies and earns a base salary of $450 per week plus a 9% commission on sales. During one particular week, she sells $895 worth of beauty supplies. How much money does she earn that week?

a)

$530.55

b)

$1,345

c)

$80.55

d)

$40.50

55.

Pierre, an art dealer, earns 25% commission of the dollar value of the art pieces that he sells at the Bizzell Gallery. Pierre earns $10,800 this month. What is the total dollar value of the art that he sells?

a)

$43,200

b)

$2,700

c)

$270,000

d)

$10,800

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