document.write( "Question 105698: A retired couple sold their home. They invested part of the money in home mortgages at 15% interest annually. They invested $20,000 less than this amount into CD's at 9% annnual interest. How much money did they invest if they recieved $15,000 per year interest from the two investments.\r
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document.write( "Can you please give me the equation for solving this problem as well as the answers. \n" );
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Algebra.Com's Answer #77030 by checkley75(3666) ![]() You can put this solution on YOUR website! .15X+.09(X+20,000)=15,000 \n" ); document.write( ".15X+.09X+1,800=15,000 \n" ); document.write( ".24X=15,000-1,800 \n" ); document.write( ".24X=13,200 \n" ); document.write( "X=13,200/.24 \n" ); document.write( "X=55,000 INVESTED @ 15%. \n" ); document.write( "55,000+20,000=75,000 INVESTED @ 9%. \n" ); document.write( "PROOF \n" ); document.write( ".15*55,000+.09*75,000=15,000 \n" ); document.write( "8,250+6,750=15,000 \n" ); document.write( "15,000=15,000 \n" ); document.write( " |