document.write( "Question 901400: A bank loaned out $16,000, part of it at the rate of 7% per year and the rest at 17% per year. IF the interest recieved in one year totaled $1,500, how much was loaned at 7% \n" ); document.write( "
Algebra.Com's Answer #546777 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! x+y=16000, \n" ); document.write( "0.17*x+0.07*y=1500 \n" ); document.write( "x=16000-y \n" ); document.write( "0.17*(16000-y)+0.07*y=1500 \n" ); document.write( "2720-0.17y+0.07*y=1500 \n" ); document.write( "-0.1*y=-1220 \n" ); document.write( "y=12200 at 7% \n" ); document.write( "x=16000-y \n" ); document.write( "x=3800 at 17% \n" ); document.write( "check \n" ); document.write( "0.17*3800+0.07*12200=1500 \n" ); document.write( "646+854=1500 \n" ); document.write( "1500=1500 \n" ); document.write( "ok \n" ); document.write( " \n" ); document.write( " |