document.write( "Question 1010372: Cody works in movie theatre selling tickets. At the end of the evening he has $524 in two and five dollar bills the total number of bills was 145. How many of each kind of bill does he have? \n" ); document.write( "
Algebra.Com's Answer #625791 by addingup(3677)![]() ![]() You can put this solution on YOUR website! 2 dollar bills: x \n" ); document.write( "5 dollar bills: y \n" ); document.write( "---------------------------------------------- \n" ); document.write( "x+y= 145 Subtract x from both sides: \n" ); document.write( "y= 145-x We'll use this value for y next. \n" ); document.write( "----------------------------------------------- \n" ); document.write( "2x+5y= 524 \n" ); document.write( "2x+5(145-x)= 524 \n" ); document.write( "2x+725-5x= 524 Now subtract 925 on both sides and add/subtract x on left: \n" ); document.write( "-3x= -201 Divide both sides by -3 (remember, -/- = +) \n" ); document.write( "x= 67 He has 67 two dollar bills and \n" ); document.write( "145-67= 78 He has 78 five dollar bills. \n" ); document.write( "---------------------------------------------------- \n" ); document.write( "Check: \n" ); document.write( "67*2= 134 \n" ); document.write( "78*5= 390 \n" ); document.write( "_ _ _ ----- \n" ); document.write( "Total:524 We have the correct answer \n" ); document.write( "J \n" ); document.write( " |