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JunhaoZ
9% of 800 is 72 and nine month would be $648. The total amount would be 1448.
joselina
ok so the formula to find simple interest over the amount of years is A=P(1+r times t ) so lets plug it in 800(1+(.0009 times 9))is equal to $806.48 cents per year for 9 years hoped this helped!!

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