Use the elimination method to solve the system of equations. Choose the correct ordered pair - 3y = x - 5
x + 5y = 7
A. (- 1, 2)
B. (2, 1)
c. (5, 0)
d. (- 4, 3)

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?