averyizcool averyizcool

06-03-2018
Mathematics

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A bank offers simple interest on a certificate of deposit. Jaime invests $jaime invests $900 and after one year earns $80 in interest. What was the interest rate on the certificate of deposit?

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paige117 paige117

06-03-2018

the answer is about 1.09....

900x=980

980/900

1.088

so about 9%

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