Interest Review

If you are calculating the simple interest and you are given the time in months.  How can you find the time in years?

• divide 12 by the months
• multiply 12 times the months
• divide the months by 12
• change the months to a decimal

To earn as much interest as possible, you should open a savings account that earns ______ interest and has the _____ interest rate.

• compound; lowest
• simple ; lowest
• compound ; highest
• simple ; highest

You borrowed $1,690 for 5 1/2 years at an interest of 5.7% compounded annually.  How much extra did you pay by taking out the loan?

• $602.45
• $2,292.45
• $1,87.55
• $3,982.45

Your 3 year investment of $20,000 received 5.2% interest compounded annually.  What is your total return?

• $23,285.05
• $3,285.05
• $2,385
• $32,285

How much interest would you earn if you deposited $575 for 3 months at 2.88% simple interest?

• $4.14

• $4,968

• About $400

• $1,725

Kermit took out a 4 year loan for $5,500. He had to pay a total of $1,870 in interest payments. What rate did he pay for his loan?

• 85%

• 5.5%

• 8.5%

• 14%

After 12 years, a deposit of $10,000 into your college account has earned $6,000 in interest payments. What simple interest rate did the account earn?

• 50%

• 5%

• 500%

• 7.5%

When Loofa was born, her parents put $8,000 into a college fund account that earned 9% simple interest. Find the amount of interest earned after 18 years.

• $720

• $20,960

• $1,080

• $12,960

Find the simple interest paid on a deposit of $225 at a rate of 1.5% over 2 years.

• $6.75

• $3.375

• $2,278.13

• $6,750

Find the simple interest earned when the principal is $500 at a rate of 10% held in the bank for 8 months.

• $33.50

• $40,000

• $50

• $400