Interest Calculator

Karla invested $1,000 in savings bonds. If the bonds earn 6.75% interest compounded semi-annually, how much total will Karla earn in 15 years?

• $1,584.62

• $2,651.39

• $2,706.86

• $1,825.10

Emily would like to buy some new furniture for her home. She decides to buy the furniture on credit with 9.5% interest compounded quarterly. If she spent $7,400, how much total will she have paid after 8 years.

• $15,415.94

• $15,683.28

• $15,927.56

• $16,109.05

Jasmine puts $4000 into an a savings account which offers 8% interest and compounds interests continuously for 3 years. Which expression could be typed into the calculator to see how much money Jasmine will have after 3 years?

• 4000(1+.08)³

• 4000e^(.08)(3)

• 4000(1+3)^.08

• 4000(1+.08/3)³⁽³⁾

Courtney saved up $2,200 working as a waitress over the summer. She put this money into a bank account that earned 5.2% interest and is compounded daily. How much will she have in her account at the end of 4 years?

• $2201.25

• $2694.55

• $2707.45

• $2708.63

What was the annual interest rate the account earns?

Jane received $875 from her graduation party. She put the money in a bank with a 4% simple interest rate. How much interest will she have earned after 7 years?

• $205

• $225

• $245

• $2,250

• $2,450

What interest rate is needed for $9,500 to earn $900 in 19 months? Round to the neareset tenths of a percent.

• 5.45%

• 6%

• .06%

• 6.8%

• F

• G

• H

• J

What interest rate is needed for $9,500 to earn $900 in 19 months? HINT: Convert 19 months to years. Round to the nearest tenth of a percent. Use the formula: r = I/(Pt)

• 5.45%

• 6.0%

• .06%

• .05%

• A

• B

• C

• D