Question

MATH HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
At the circus 2 adult tickets and 4 child tickets cost $40, and 4 adult tickets and 2 child tickets cost $44. Which system of linear equations below can be used to determine the price of each ticket?

(Let x represent the cost of an adult ticket and y represent the cost of a child ticket.)

A .2x + 4x = 48
4y + 2y = 36

B. 2x + 4y = 40
4x + 2y = 44

C. 3x + 6y = 48
4x + 3y = 66

D. 9x + 7y=114
x=9