Simple Interest and Percentages

Convert 3.5% to a decimal.

• .035

• 350

• .35

• 35

Answer explanation

To convert from a percent to a decimal, remove the percent sign and move the decimal point 2 places to the left. (Note: insert extra "0's" as needed)

Change 18% to a decimal.

• 1.8

• 18

• .18

• 180

Answer explanation

To convert from a percent to a decimal, remove the percent sign and move the decimal point 2 places to the left. (Note: insert extra "0's" as needed)

Find the simple interest paid on a loan of $750 with an 18% rate over 2 years.

• $135

• $13,500

• $270

• $27,000

Tags

CCSS.7.RP.A.3

Anna invested $2,500 at an annual rate of 5%.  How long will it take until Anna earns $1,125 in interest?

• 5 years

• 8 years

• 10 years

• 9 years

Tags

CCSS.8.EE.C.7B

Twelve years ago, Claire deposited $1,800 in a savings account. It pays 2.5% simple interest. How much in interest did Claire earn in the account?

• $2,340

• $23,400

• $540

• $54

Tags

CCSS.7.RP.A.3

What is the fraction equivalent of 40%?

• 4/100

• 2/5

• 2/50

• 40/1000

Convert 4/5 to a percent.

• 45%

• 4.5%

• 80%

• 8%

Write 17% as a decimal.

• 0.17

• 1.7

• 0.017

• 1.07

Write 1.68 as a percent.

• 16.8%

• 168%

• 0.168%

• 1.68%

Write 170% as a decimal in simplest form. 

• 170.0

• 17.0

• .170

• 1.7