document.write( "Question 293104: Tom has 117 quarters and dimes worth a total of 15.75. How much of each does he have?? Thanks!! \n" ); document.write( "
Algebra.Com's Answer #211580 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! Q+D=117 or Q=117-D \n" ); document.write( ".2RQ+.10D=15.75 \n" ); document.write( ".25(117-D)+.10D=15.75 \n" ); document.write( "29.25-.25D+.10D=15.75 \n" ); document.write( "-15D=15.75-29.25 \n" ); document.write( "-.15D=-13.50 \n" ); document.write( "D=-13.50/-.15 \n" ); document.write( "D=90 DIMES. \n" ); document.write( "Q=117-90 \n" ); document.write( "Q=27 QUARTERS. \n" ); document.write( "PROOF: \n" ); document.write( ".25*27+90*.10=15.75 \n" ); document.write( "6.75+9.00=15.75 \n" ); document.write( "15.75=15.75 \n" ); document.write( " |