Percent Proportion
Percent of Change/Error
Percent Word Problems
Find the New Price
Simple Interest
100

4% of 73 is what?

2.9

100

$5 to $10

100% increase

100

While eating lunch, Bob ate 75% of the carrots he had in his bag. There were 12 carrots in his bag. How many carrots did Bob eat?

9 carrots

100

$18 with a 30% tip

$23.40

100

Find the simple interest paid to the nearest cent.

$1,450, 2.5%, 2 years

$72.50

200

What percent of 55 is 34?

61.8%

200

48 notebooks to 14 notebooks

What is 70.8% decrease

200

Shelly got 25 problems correct out of 30 total test questions. What was her percent grade rounded to the nearest whole percent?

83%

200

$72 with a 40% discount

$43.20

200

Find the simple interest paid to the nearest cent.

$390, 3%, 5 years

$58.50

300

58% of what is 63.4

109.3

300

$240 to $320

What is 33.3% increase

300

In the city of Springfield, 75% of the parks have tennis courts. If 15 parks have tennis courts, how many parks does Springfield have altogether?

20 parks

300

$63 with a 15% mark up

$72.45

300

Find the simple interest paid to the nearest cent.

$1,000, 5%, 2 years

$100


400

What percent of 29 is 3?

10.3%

400

624 feet to 702 feet

What is 12.5% increase

400

The Briarwood Middle School chess club has 55 members. 22 of the members are in seventh grade. What percent of the members of the chess club are not in seventh grade?

60%

400

$75 with a 90% off coupon

$7.50

400

Find the simple interest paid to the nearest cent.

$300, 6.5%, 1 year

$19.50

500

112 min is 76% of what?

147.4 min

500

Gregory predicts that 310 people will attend the spring play. There was an actual total of 220 people who attended the spring play. What is the percent error? Round to the nearest whole percent.

What is 90/220 = 41%

500

Melinda ate breakfast and wanted to leave her waitress a 20% tip. Her meal cost $7.50. How much money should Melinda leave for the tip?

$1.50

500

$86.32 bill with 9% sales tax 

$94.09

500

Find the simple interest paid to the nearest cent.

$850, 4%, 6 months

$17

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