Simple Interest; I = prt

If Joe earns $120 interest in 5 years on money that was invested at 6%, find the original principal.

• 36
• 600
• 400
• 4

Tags

CCSS.7.RP.A.3

Sue owes $60 in interest on a loan of $500. If the loan was borrowed for 3 years, find the simple interest rate.

• 15%
• 4%
• 40%
• 8%

Tags

CCSS.7.RP.A.3

Jack invested $300 at a rate of 3%. How many years would it take to earn $18 in interest?

• 3 years
• 9 years
• 6 years
• 2 years

Tags

CCSS.7.RP.A.3

Jerry borrowed $4,000 for 5 years at 6% simple interest rate. How much interest is that?

• $800
• $1,000
• $1,200
• $1,500

Tags

CCSS.7.RP.A.3

Emily borrows $1,200 from a bank with 8% simple interest per year.  What is the total amount she will have to pay back in 2 years?

• $150
• $192
• $1,008
• $1,392

Tags

CCSS.7.RP.A.3

Principal = $800
Interest Rate = 3.5%
Time = 6 months
Find the interest earned.

• 14
• 140
• 168
• 16.80

Tags

CCSS.7.RP.A.3