document.write( "Question 349741: A woman has 10.50 in change consisting of twice as many half dollars as quarters and five times as many dimes as quarters. how many half dollars,quarters and dimes. \n" ); document.write( "
Algebra.Com's Answer #250038 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! H=2Q \n" ); document.write( "D=5Q \n" ); document.write( ".50H+.25Q+.10D=10.50 \n" ); document.write( ".50(2Q)+.25Q+.10(5Q)=10.50 \n" ); document.write( "1Q+.25Q+.10*5Q=10.50 \n" ); document.write( "Q+.25Q+.5Q=10.50 \n" ); document.write( "1.75Q=10.50 \n" ); document.write( "Q=10.50/1.75 \n" ); document.write( "Q=6 NUMBER OF QUARTERS. \n" ); document.write( "H=2*6=12 NUMBWER OF HALVES. \n" ); document.write( "5*6=30 NUMBER OF DIMES. \n" ); document.write( "PROOF: \n" ); document.write( ".50*12+.25*6+.10*30=10.50 \n" ); document.write( "6+1.50+3=10.50 \n" ); document.write( "10.50=10.50 \n" ); document.write( " \n" ); document.write( " |