document.write( "Question 1133927: How much money was invested at 6% annual simple interest for 3years to earn $3870?
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Algebra.Com's Answer #751180 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! i = prt \n" ); document.write( "i = interest \n" ); document.write( "p = principal \n" ); document.write( "r = rate \n" ); document.write( "t = time\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "i = prt \n" ); document.write( "3870 = p(0.06)(3) {3870 interest for 3 years at 6% interest, changed rate to decimal} \n" ); document.write( "3870 = 0.18p {multiplied 0.06 by 3} \n" ); document.write( "p = 21,500 {divided each side by 0.18}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "$21,500 was invested \n" ); document.write( " To ask me a question, visit: ask.algebrahouse.com \n" ); document.write( " |