document.write( "Question 279151: The manager of a movie theater found that Saturday's sales were $3675. He knew that a total of 650 tickets were sold Saturday. Adult tickets cost $7.50 and children's tickets cost $4.50. Write equations to represent the number of tickets sold and the amount of money collected. How many of each kind of ticket were sold? \n" ); document.write( "
Algebra.Com's Answer #203015 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The manager of a movie theater found that Saturday's sales were $3675. He knew that a total of 650 tickets were sold Saturday. Adult tickets cost $7.50 and children's tickets cost $4.50. Write equations to represent the number of tickets sold and the amount of money collected. How many of each kind of ticket were sold? \n" ); document.write( "--------------------------- \n" ); document.write( "Equations: \n" ); document.write( "Quantity Eq:::: a + c = 650 \n" ); document.write( "Value Equation:7.5a + 4.5c = 3675 \n" ); document.write( "----------------------------------------- \n" ); document.write( "Multiply thru 1st equation by 75: \n" ); document.write( "Multiply thru 2nd equation by 10: \n" ); document.write( "---------------------------- \n" ); document.write( "75a + 75c = 75*650 \n" ); document.write( "75a + 45c = 36750 \n" ); document.write( "--------------------------------- \n" ); document.write( "Subtract 2nd from 1st and solve for \"c\": \n" ); document.write( "30c = 12000 \n" ); document.write( "c = 400 (# of children's tickets sold) \n" ); document.write( "----------------------- \n" ); document.write( "Since a+c = 650 \n" ); document.write( "a = 250 (# of adult tickets sold) \n" ); document.write( "======================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |