Finding percents
tax/discount
Percent change/error
Simple interest
Percent Proportions
100

What is 35% of 100.

35

100

A shirt cost $30 the tax is 8%.  How much would the tax be?

$2.40

100

What is the percent change from 12 to 15

20% increase

100

Mike put $200 into a savings account.  The account pays a 10% simple interest.  How much interest will Mike earn over 5 years?

$100

100

What percent of 100 is 35?

35%

200

What is 12% of $230

$27.60

200

A shirt costs $45 and is on sale for 25%.  What is the total cost of the shirt?

$33.75

200

What is the percent change of 35 to 26?

26% decrease

200

Mike put $200 into a savings account.  The account pays a 6.5% simple interest.  How much interest will Mike earn over 4 years?

$52

200

What percent of 92 is 23?

25%

300

What is 108% of $50

$54
300

A pair of shoes costs $36 and there is a 5.5% tax on them.  What is the total cost of the shoes?

$37.98

300

I thought my cat weighed 15 pounds.  It actually weighs 9.5 pounds.  What is my percent error?

61% error

300

Mike put $1250 into a savings account.  The account pays a 2.5% simple interest.  How much interest will Mike earn over 7 years?

$218.75

300

20% of a number is 10.  What is the original number?

50

400

What is 3.5% of $60

$2.10

400

A new shirt costs $15.  It is on sale for 20% and tax is 7%.  What is the total cost of the shirt?

$12.84

400

I thought my dog weighed 123 pounds.  It actually weighs 87 pounds.  What is my percent error?

41% error

400

Mike put $350 into a savings account.  The account pays a 6% simple interest.  How much interest will Mike earn over 6 months?

$10.50

400

36% of a number is 16.2.  What is the original number?

45

500

What is .5% of $25?

$0.13

500

A hoodie you are trying to buy costs $33.  It is on sale for 11% and the tax is 5.4%.  What is the total cost of the hoodie?

$30.96

500

I thought I weighed 245 pounds.  I actually weigh 105 pounds.  What is my percent error?

133% error

500

Mike put $157.63 into a savings account.  The account pays a 6.5% simple interest.  How much interest will Mike earn over 3 months?

$2.56

500

135% of a number is 67.5.  What is the original number?

50

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