document.write( "Question 283771: Kevin invested part of his 10,000 bonus in a certificate of deposit that paid 6% annual simple interest, and the remainder in a mutual fund that paid 11% annual simple interest. If his total interest for that year was $900, how much did kevin invest in the mutual fund? \n" ); document.write( "
Algebra.Com's Answer #854227 by josgarithmetic(39823)\"\" \"About 
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10000 dollars invested at 6% and 11%, one year.
\n" ); document.write( "Total interest was 900 dollars the year.
\n" ); document.write( "How much invested at 11%?\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "P=10000
\n" ); document.write( "L=0.06
\n" ); document.write( "H=0.11
\n" ); document.write( "R=900
\n" ); document.write( "y= variable, how much at 11%
\n" ); document.write( "P-y = how much at 6%\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Accounting for the one year earned interest
\n" ); document.write( "\"highlight_green%28L%28P-y%29%2BHy=R%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"LP-Ly%2BHy=R\"
\n" ); document.write( "\"%28H-L%29y%2BLP=R\"
\n" ); document.write( "\"%28H-L%29y=R-LP\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28y=%28R-LP%29%2F%28H-L%29%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Substituting the values
\n" ); document.write( "\"y=%28900-%280.06%29%2810000%29%29%2F%280.11-0.06%29\"\r
\n" ); document.write( "\n" ); document.write( "\"y=300%2F0.05\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28y=6000%29\"
\n" ); document.write( "
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