Interest.....again

What are the two types of interest?

• Simple Interest

• Compound Interest

• Complex Interest

• Easy Interest

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CCSS.7.RP.A.3

How much simple interest does a #318 investment earn at 9% p.a. for 1 year?

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CCSS.7.RP.A.3

If you borrow $675 for six years at a simple interest rate of 10%, how much interest will you pay in total?

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CCSS.7.RP.A.3

Find the simple interest rate p.a. on a $1,500 loan with $1,125 charged interest over 3 years.

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CCSS.7.RP.A.3

Find the time in years that your investment of $500 will earn $200 in interest at a 10% p.a. simple interest rate.

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CCSS.6.EE.B.7

What is the Principal investment amount if after 8 years, the investment total is $3410 and has a 3% simple interest rate.

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CCSS.HSF.BF.A.2

Find the interest rate on a $895 investment with $716 earned in total simple interest over 5 years.

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CCSS.6.EE.B.7

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

Emily’s parents put $1,500 in her bank account for college tuition when she was born. At an interest rate of 8.25% compounded annually, what will be the balance after 18 years?

The Henley's took out a loan for $195 000 to purchase a home. At a 4.3% p.a interest rate compounded annually, how much interest will they have paid after 30 years?