Question

Erica purchased adult and youth tickets for a movie. She bought x adult tickets for $7 each and y youth tickets for $5. Write an expression that can be used to show the total cost, C, of all tickets.

C = 7x + 5y
C = (7 + 5)x
C = (7 + 5)(x + y)
C = 7y + 5x

Answer 1

its A) 7x + 5y

Explanation:

Answer 2

C = 7x + 5y

I don't know how to explain it's just simple math to me