Question

Perry's school is selling tickets to a choral performance. On the first day of ticket sales the school sold 12 adult tickets and 7 child tickets for a total of $57. The school took in $63 on the second day by selling 7 adult tickets and 14 child tickets. What is the price of one adult ticket and one child ticket?

Answer 1

both cost 3 dollars

Explanation:

x=adult ticket

y=child ticket

12x+7y=57

7x+14y=63

24x+14y=114

-7x-14y=-63

17x=51

x=3

7(3)+14y=63

21+14y=63

14y=42

y=3

Answer 2

$6

Explanation: