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Mathematics 18 Online
OpenStudy (anonymous):

Frank invests $1,000 in simple interest investment account that pays 8% a year. After a number of years, he withdraws his balance of $2,200. Using the formula mc006-1.jpg, how many years was his money invested?

OpenStudy (tkhunny):

I = prt -- Every Time! 1200 = 1000 * 0.08 * t Solve for t.

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