document.write( "Question 204067: joe has twice as many quarters than dimes in total joe has 9 dollars how many coins of each does joe have \n" ); document.write( "
Algebra.Com's Answer #154004 by RAY100(1637)![]() ![]() ![]() You can put this solution on YOUR website! Let D = # dimes,,,,and Q= # quarters \n" ); document.write( ". \n" ); document.write( "Q=2D \n" ); document.write( ". \n" ); document.write( "25Q + 10D =900 \n" ); document.write( ". \n" ); document.write( "25(2D) +10D=900 \n" ); document.write( ". \n" ); document.write( "50D+10D=60D=900 \n" ); document.write( ". \n" ); document.write( "D=15,,,,,,Q=30 \n" ); document.write( ". \n" ); document.write( "check,,,15*10 +30*25 =900 \n" ); document.write( "150 +750 = 900,,,ok \n" ); document.write( " \n" ); document.write( " |