document.write( "Question 1063256: Suppose you have $1600 in your savings account at the end of a certain period of time. You invested $1200 at a 7.61% simple annual interest rate. How long, in years, your money invested?
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Algebra.Com's Answer #678348 by addingup(3677)![]() ![]() You can put this solution on YOUR website! A = P(1+rt) \n" ); document.write( "1600 = 1200(1+0.0761*t) on the right distribute the 1200: \n" ); document.write( "1600 = 1200+1200*(0.0761)*t \n" ); document.write( "1600 = 1200+91.32t flip the equation to get the unknown t on the left \n" ); document.write( "1200+91.32t = 1600 \n" ); document.write( "91.32t = 400 \n" ); document.write( "t = 400/91.32 \n" ); document.write( "t = 4.38 years \n" ); document.write( " |