Interest

What does the "I" in the interest formula stand for?

• Principal
• Interest
• Rate
• Time

Tags

CCSS.7.RP.A.3

Maria borrowed $3,000 at a simple interest rate of 4% per year.  How much did she have to repay after 4 years?

• $480
• $3,480
• $4,800
• $7,800

Tags

CCSS.7.RP.A.3

The rate is given as a percent (%).  Before using it in the simple interest formula, you must first convert it to a______.

• fraction
• decimal
• ratio
• dollar amount

Calculate the interest. I = PRT,

Principal = $1000,

Rate = 6%,

Time = 2 years

• $100

• $120

• $180

• 1200

Tags

CCSS.7.RP.A.3

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

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

Starting money = $350.
Interest rate = 2.5%
TIme = 3 years.
How much interest?

• $7.50
• $26.25
• $87.5
• $262.50

Tags

CCSS.7.RP.A.3

Caiden earned $475 from mowing lawns last summer. He deposited this money in an account that pays an interest rate of 3.8% in simple interest. What will be his balance after 15 years?

• $270.75
• $745.75
• $2,707.50
• $846.80

Tags

CCSS.7.RP.A.3

What does the "p" in the interest formula stand for?

• Principal
• Interest
• rate
• time

Tags

CCSS.7.RP.A.3

True of False:  Before you can calculate INTEREST your time must be in MONTHS!

• FALSE
• TRUE

Tags

CCSS.7.RP.A.3