document.write( "Question 901176: Larry Mitchell invested part of his $17,000 advance at 6% annual simple interest and the rest at 9% annual simple interest. If his total yearly interest from both accounts was $1,230, find the amount invested at each rate. \n" ); document.write( "
Algebra.Com's Answer #546519 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! x+y=17000, \n" ); document.write( "0.06*x+0.09*y=1230 \n" ); document.write( "x=17000-y \n" ); document.write( "0.06*(17000-y)+0.09*y=1230 \n" ); document.write( "1020-0.06y+0.09*y=1230 \n" ); document.write( "0.03*y=210 \n" ); document.write( "y=7000 at 9% \n" ); document.write( "x=17000-y \n" ); document.write( "x=10000 at 6% \n" ); document.write( "check \n" ); document.write( "0.06*10000+0.09*7000=1230 \n" ); document.write( "600+630=1230 \n" ); document.write( "1230=1230 \n" ); document.write( "ok \n" ); document.write( " \n" ); document.write( " |