Please help me with this im not good in math i have no brain
Question 4(Multiple Choice Worth 4 points)
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