document.write( "Question 587433: a sum of 6500 is invested, part of it at 6% interest and the remainder at 11%. If the interest earned by the 6% investment is 150 less that the interest earned by the 11% investment, find the amount invested at 6% rate. \n" ); document.write( "
Algebra.Com's Answer #374127 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a sum of 6500 is invested, part of it at 6% interest and the remainder at 11%. If the interest earned by the 6% investment is 150 less that the interest earned by the 11% investment, find the amount invested at 6% rate. \n" ); document.write( "---- \n" ); document.write( "6% interest: 0.06x dollars \n" ); document.write( "---- \n" ); document.write( "11% interest: 0.11(6500-x) dollars \n" ); document.write( "---------------------------------- \n" ); document.write( "Equation: \n" ); document.write( "0.06x + 150 = 0.11(6500-x) \n" ); document.write( "---- \n" ); document.write( "6x + 15000 = 11*6500 - 11x \n" ); document.write( "---- \n" ); document.write( "17x = 11*6500-15000 \n" ); document.write( "17x = 56500 \n" ); document.write( "x = $3323.53 (amt. invested at 6%) \n" ); document.write( "6500-x = $3176.47 (amt. invested at 11%) \n" ); document.write( "========================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========== \n" ); document.write( " |