Petra invests $10 800. After 4 years she has earned $3240 in interest. At what annual rate of interest did she invest her money?

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asked Sep 26, 2022 146k views

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Petra invests $10 800. After 4 years she has earned $3240 in interest.

At what annual rate of interest did she invest her money?

Mathematics
high-school

Dilenia asked

by Dilenia

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The answer is 72 because 10*8 is 109. Hope that helped

Stefanos Chrs answered Oct 2, 2022

by Stefanos Chrs

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