Antonio purchased adult and child tickets for the fair. tickets cost $29.35 for each adult and $17.45 for each child. let x represent the number of adult tickets purchased and y represent the number of child tickets purchased. write an expression to represent the total cost of the tickets antonio purchased. $29.35y + $17.45x $29.35x + $17.45y ($29.35 + $17.45)(x + y) ($29.35 - $17.45)(x + y)