document.write( "Question 911346: You have already invested $450 in a stock with an annual return of 11%. How much of an additional $1,200 should be invested at 12% and how much at 6% so that the total return on the entire $1,650 is 9%? \n" ); document.write( "

Algebra.Com's Answer #553042 by lwsshak3(11628) $\"\"$ $\"About$

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You have already invested $450 in a stock with an annual return of 11%. How much of an additional $1,200 should be invested at 12% and how much at 6% so that the total return on the entire $1,650 is 9%?
\n" ); document.write( "***
\n" ); document.write( "let x=amt invested at 12%
\n" ); document.write( "1200-x=amt invested at 6%
\n" ); document.write( "11%450+12%x+.06(1200-x)=9%*1650
\n" ); document.write( "49.50+.12x+72-.06x=148.50
\n" ); document.write( ".06x=27
\n" ); document.write( "x=450
\n" ); document.write( "1200-x=750
\n" ); document.write( "$1200 invested at 12%=$450
\n" ); document.write( "$1200 invested at 6%=$750 \n" ); document.write( "

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