document.write( "Question 321965: A man invests $2,200 in three accounts that pay 6%, 8%, 9% in annual interest, respectively. he has three times as much invented at 9% as he does at 6%. if his total interest for year is $178, how much is invested at each rate? \n" ); document.write( "
Algebra.Com's Answer #230473 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 6% --- amount x \n" ); document.write( "9%---- amount 3x \n" ); document.write( "8% --- amount 2200- (3x+x) \n" ); document.write( ".. \n" ); document.write( "Interest recieved = 178 \n" ); document.write( ".. \n" ); document.write( "0.06x+0.09*3x+0.08(2200-4x)=178 \n" ); document.write( "0.06x+0.27x+176.00-0.32x=178 \n" ); document.write( "0.01x=2 \n" ); document.write( "x=200 at6% \n" ); document.write( "3x= 600 at9% \n" ); document.write( "2200-4x= 2200-800=1400 at 8% \n" ); document.write( " |