document.write( "Question 1183276: Cindy is selling tickets to the circus. On her first day, she sold 4 adult tickets and 8 children's tickets for a total of $108. On the second day, she sold 5 adult tickets and 6 children's tickets for a total of $105. What is the prices of an adult ticket and a Childs ticket? \n" ); document.write( "
Algebra.Com's Answer #813507 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "a = cost of adult ticket \n" ); document.write( "c = cost of child ticket \n" ); document.write( "4a+8c=108 \n" ); document.write( "5a+6c=105 \n" ); document.write( "Divide the first equation by the common factor of 4 \n" ); document.write( "a+2c=27 \n" ); document.write( "multiply by 5 to make the number of adult tickets the same as in the other equation \n" ); document.write( "5a+10c=135 \n" ); document.write( "Compare the two equations \n" ); document.write( "5a+10c=135 \n" ); document.write( "5a+6c=105 \n" ); document.write( "4c=30 \n" ); document.write( "c=7.50 \n" ); document.write( "The cost of each child ticket is $7.50 \n" ); document.write( "Substitute in either original equation to solve for the cost of an adult ticket \n" ); document.write( "4a+8(7.50)=108 \n" ); document.write( "4a+60=108 \n" ); document.write( "4a=48 \n" ); document.write( "a=12 \n" ); document.write( "The cost of each adult ticket is $12 \n" ); document.write( "ANSWERS: adult ticket $12; child ticket $7.50 \n" ); document.write( " \n" ); document.write( " |