document.write( "Question 978582: A cashier has a total of 98 bills, made up of fives and 20s. The total value of the money is $1225. How much of each does he have? \n" ); document.write( "
Algebra.Com's Answer #599981 by Cromlix(4381) You can put this solution on YOUR website! Hi there, \n" ); document.write( "Create two equations. \n" ); document.write( "x + y = 98......(1) \n" ); document.write( "5x + 20y = 1225....(2) \n" ); document.write( "....... \n" ); document.write( "Multiply (1) by 20 \n" ); document.write( "20x + 20y = 1960....(1) \n" ); document.write( "5x + 20y = 1225.....(2) \n" ); document.write( "Subtract (2) from (1) \n" ); document.write( "15x = 735 \n" ); document.write( "x = 49 \n" ); document.write( "Substitute x = 49 in \n" ); document.write( "Equation (1) \n" ); document.write( "x + y = 98 \n" ); document.write( "49 + y = 98 \n" ); document.write( "y = 98 - 49 \n" ); document.write( "y = 49 \n" ); document.write( "Therefore the cashier has:- \n" ); document.write( "49 x 5's \n" ); document.write( "49 x 20's \n" ); document.write( "Hope this helps:-) \n" ); document.write( " |