Rosie
Answered

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.

AC = 7x + 5y
BC = (7 + 5)x
CC = (7 + 5)(x + y)
DC = 7y + 5x