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)\"\" \"About 
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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
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