document.write( "Question 311863: How do you solve this word problem concerning interest?
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document.write( "Gilbert invested part of his $10,000 bonus in a CD that paid 6% interest, and the rest in a fund that paid 11% interest. If his total interest was $900, how much did Gilbert invest in the fund? \n" );
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Algebra.Com's Answer #223003 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! .11x+.06(10,000-x)=900 \n" ); document.write( ".11x+600-.06x=900 \n" ); document.write( ".05x=900-600 \n" ); document.write( ".05x=300 \n" ); document.write( "x=300/.05 \n" ); document.write( "x=6,000 invested @ 11%. \n" ); document.write( "10,000-6,000=4,000 invested @ 6% \n" ); document.write( "Proof: \n" ); document.write( ".11*6,000+.06*4,000=900 \n" ); document.write( "660+240=900 \n" ); document.write( "900=900 \n" ); document.write( " |