Simple Interest and Commission

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What is commission?

Back

A percentage you earn from your total sales.

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CCSS.6.RP.A.3C

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What is simple interest?

Back

Interest calculated on the principal amount only, not on the interest accrued.

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CCSS.7.RP.A.3

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How do you calculate simple interest?

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Simple Interest = Principal × Rate × Time.

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CCSS.7.RP.A.3

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What is the formula for total amount after simple interest?

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Total Amount = Principal + Simple Interest.

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CCSS.7.RP.A.3

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If you invest $1,000 at a 5% interest rate for 3 years, how much simple interest do you earn?

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$150.

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CCSS.7.RP.A.3

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What is the principal in a simple interest calculation?

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The initial amount of money invested or borrowed.

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CCSS.7.RP.A.3

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How much simple interest is earned on $4,500 at 5.5% for 2 years?

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$495.

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CCSS.7.RP.A.3

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Emilio borrows $1200 at 8% simple interest for 2 years. How much will he pay back?

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$1392.

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CCSS.7.RP.A.3

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Rachel invests $2,700 at 7% for 2 years. What is her total amount?

Back

$3,078.

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CCSS.7.RP.A.3

Front

Danielle earns a base salary of $450 and 9% commission on $895 in sales. How much does she earn?

Back

$530.55.

Tags

CCSS.6.RP.A.3C