document.write( "Question 977636: you have 70,000 to invest. part in a mutual fund paying 8% per year, the rest in an etf paying 12% per year. you must have a 9% return on the investments. how much money should you put in each investment? \n" ); document.write( "
Algebra.Com's Answer #599213 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! x+y=70000, \n" ); document.write( "0.12*x+0.08*y=0.09*70000 \n" ); document.write( "0.12*x+0.08*y=6300 \n" ); document.write( "x=70000-y \n" ); document.write( "0.12*(70000-y)+0.08*y=6300 \n" ); document.write( "8400-0.12y+0.08*y=6300 \n" ); document.write( "-0.04*y=-2100 \n" ); document.write( "y=52500 at 8% \n" ); document.write( "x=70000-y \n" ); document.write( "x=17500 at 12% \n" ); document.write( "check \n" ); document.write( "0.12*17500+0.08*52500=0.09*70000 \n" ); document.write( "2100+4200=6300 \n" ); document.write( "6300=6300 \n" ); document.write( "ok \n" ); document.write( "codeint3p \n" ); document.write( " \n" ); document.write( " |