document.write( "Question 435032: nineteen coins consisting of quarters and half-dollars amount to 6.50. find the amount of coins of each kind. \n" ); document.write( "
Algebra.Com's Answer #301186 by robertb(5830) You can put this solution on YOUR website! 0.25q + 0.50(19-q) = 6.50 \n" ); document.write( "==> 0.25q + 9.5 - 0.50q = 6.5 \n" ); document.write( "==> -0.25q = -3 \n" ); document.write( "==> q = 12, the number of quarters, and \n" ); document.write( "19-q = 19-12 = 7, the number of half-dollars. \n" ); document.write( " |