document.write( "Question 108600: a girl has 24 quarters and dimes. togther they had up to 3.60 how many quarters does she have? \n" ); document.write( "
Algebra.Com's Answer #79175 by checkley71(8403) ![]() You can put this solution on YOUR website! Q+D=24 OR D=24-Q \n" ); document.write( ".25Q+.10(24-Q)=3.60 \n" ); document.write( ".25Q+2.4-.10Q=3.60 \n" ); document.write( ".15Q=3.60-2.40 \n" ); document.write( ".15Q=1.20 \n" ); document.write( "Q=1.20/.15 \n" ); document.write( "Q=8 ANSWER FOR THE NUMBER OF QUARTERS. \n" ); document.write( "24-8=16 NUMBER OF DIMES. \n" ); document.write( "PROOF \n" ); document.write( ".25*8+.10*16=3.60 \n" ); document.write( "2.00+1.60=3.60 \n" ); document.write( "3.60=3.60\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |