Conversions
Ratios
Misc
Simple interest
Compound Interest
100

Make this decimal into a percent

.0567

5.67%

100

Logan is 57, and Jacob is 19. Write the ratio of Logan to Jacob’s age.

3 to 1

100

The number of voters in a certain county increased by 10.5% from 2020 to 2022. If 6200 people voted in 2020, how many voted in 2022?

6851

100

You invest $2000 in a savings account that earns annual simple interest. At the end of 12 years, the balance in the account is $4,400. Calculate the simple interest rate in %.

 r = 10%

100

Suppose that $4000 is invested in a savings account with an APR of 6.5% compounded annually. What is the future value of the account in 10 years? Round to the nearest Cent.

7508.55

200

Make this fraction into a decimal

7/32

.21875

200

Find the ratio for 45 minutes to 24 hours

1 to 32

200

Solve for x, 6.7/x= 6.9/13.8

x = 13.4

200

Calculate the simple interest on $1300 invested for 5 months at 9.2% interest.

49.83

200

You want the balance on your bank account to be $60,000 in 15 years. If the account pays 3.5% interest compounded quarterly, how much do you need to deposit in the bank right now?

35574.47

300

 Simplify this fraction

67/335

 1/5

300

Find the ratio of 4 kids to 2 boxes of pizza with 8 slices each

4 to 1

300

Jacob can run 8 miles in 90 minutes. How long will it take him to run 10 miles

112.5 minutes

300

Calculate the maturity value of a loan of $4000 borrowed at a simple interest rate of 2.7% for

120 days.

4,036

300

Which of the following would you choose to invest your money in?

9% compounded annually

4.5% compounded monthly

8% compounded daily

8%: 1083.28

400

Simplify this fraction

638/968

29/44

400

Find the ratio for 75 miles on 5 gallons of gasoline

15 to 1

400

If the ratio of Tasnia to Taylor's age is 1 to 1.5 and Tasnia is 22, how old is Taylor?

x = 33

400

Calculate the simple interest on $7300 invested for 11 months at 8.9% interest.

595.56

400

Suppose your annual salary today is $45,000. You want to know what an equivalent salary will be in 30 years—that is, a salary that will have the same purchasing power. Assume a 9% inflation rate.

597,045.53

500

Write this percent as a fraction

37.5%

 ⅜

500

There are 325 students in the 10th grade, 400 in the 11th grade, and 525 in the 12th grade. There are a total of 125 teachers. What is the student-to-teacher ratio?

10 to 1

500

A Chikawa T-shirt was originally priced at $60, and now it is on sale for $24. What is the percent discount?

60%

500

You end up with 5000 dollars after investing for 3 years. If your interest rate was 4% simple interest, how much did you invest?

4464.29

500

 If you put 6700 dollars in a savings account for 4 years at 5% compounded monthly, how much interest is earned?

1440