document.write( "Question 977810: Walt made an extra$10000 last year from a part time job. He invested part of the money at 10% and the rest at 8%. He made a total of $940 in interest. How much was invested at 8%?
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Algebra.Com's Answer #599356 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! x=8% return \n" ); document.write( "10000-x=10% return\r \n" ); document.write( "\n" ); document.write( ".08x+ .1 (10,000-x)=940 \n" ); document.write( ".08x + 1000-.1x=940 ;; collect x terms and subtract 1000 from both sides \n" ); document.write( "-0.02x=-60 ;; divide both sides by -0.02 \n" ); document.write( "x=3000\r \n" ); document.write( "\n" ); document.write( "3000 at 8%=$240 \n" ); document.write( "7000 at 10%=$700 \n" ); document.write( "$940 total \n" ); document.write( " |