Calculating Simple interest

The simple interest formula is I=Prt.  What does the t represent?

• Principle
• Interest
• Time, in hours
• Time, in years

Tags

CCSS.8.EE.C.7B

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

• Add 12 to the months
• divide the months by 12
• multiply 12 times the months
• You cannot change it to months.

Tags

CCSS.7.RP.A.3

Ann puts $300 in a bank account earning 4% interest.  How much will she earn in interest in 1 year?

• 4
• 8
• 12
• 16

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

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.6.EE.B.7

Allison was left an inheritance from her Aunt Lisa. She can not touch the money until she is 21 years old, Allison is now 12 years old and inherited $50,000 that was put into an account with 2% interest. How many years until Allison is 21 years old?

• 12
• 21
• 8
• 9

What is 7.25% converted to a decimal?

• .725
• 0.725
• 0.0725
• 7.25

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

• 14
• 140
• 168
• 16.80

Tags

CCSS.7.RP.A.3