document.write( "Question 1023770: If I have 110 coins and I have 24 more half dollar than quarters ,how many of each do I have \n" ); document.write( "
Algebra.Com's Answer #639276 by addingup(3677) You can put this solution on YOUR website! half dollars: x \n" ); document.write( "quarters: y \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ \n" ); document.write( "x+y = 110 (1) \n" ); document.write( "and \n" ); document.write( "x = y+24 (2) \n" ); document.write( "substitute for x in (1): \n" ); document.write( "y+24+y = 110 add y on left and subtract 24 on both sides \n" ); document.write( "2y = 86 \n" ); document.write( "y = 43 You have 43 quarters and: \n" ); document.write( "43+24 = 67 half dollars \n" ); document.write( " |