Conversions
Percent Proportion
Tax, Tip, Discount, Commission
Percent Change
Simple Interest
100

What is 0.75 as a fraction in simplest form?

3/4

100

What is 80% of 50? 

40

100

If a shirt costs $50 and is on sale for 20% off, what is the sale price?

$40

100

What is the percent change if a car's price goes from $20,000 to $18,000?

10% decrease

100

Cathy borrows $400 from the bank with a 8% interest rate to pay back in 2 years?  How much interest will she owe?

$64

200

Convert 3/4 to a percent.

75%

200

25 is what percent of 200?

12.5%

200

If you buy a $100 item that is 15% off, what is the amount of the discount?

$15

200

What is the percent change of a student's grade that goes from 70 to 80? (Round answer to the nearest tenth)

14.3% increase

200

Tommy deposits $550 into his savings account and earns 5% interest over a 3 year period.  After 3 years, how much money will he have in his account in all?

$632.50

300

Convert 60% to a decimal.

0.60

300

If you ran 12 miles and 3 miles were uphill, what percent of your run was uphill?

25%

300

If a car salesman earns 12% commission and he makes a $45,000 sale, how much would he earn?

$5,400

300

If a population increases from 1,000 to 2,000, what is the percent increase?

100% increase

300

If Christopher borrows $1,000 over a 3 year period of time and pays $300 in interest, what interest rate did he pay?

5%

400

Convert 1/5 to a decimal. 

20%

400

If a store sells 400 items and 25% of them were sold, how many items were sold?

100

400

When you go to dinner, your bill comes to a total of $85 and you want to leave a 20% tip.  What will your final total be? 

$102

400

What is the percent decrease if a stock price drops from $50 to $40?

20% decrease

400

Carla deposits $750 in her account and earns $150 interest at a 4% rate.  How long was her money in her account to earn this amount in interest?  

5 years

500

Convert 40% to a fraction in simplest form.

2/5

500

If you got 20 questions correct on your test and that is 80%, how many questions were on the entire test?  

25

500

When you purchase a $48 sweater in SC you are charged a 7% sales tax.  How much would you pay in Tax?

$3.36

500

If a student improves their score from 60% to 90%, what is the percent change?

50% increase

500

Joe receives $40 in interest at a rate of 4% after 2 years.  How much was Joe's initial deposit?

$500

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