latavia purchased adult and child tickets for the fall festival. tickets cost $14.88 for each adult and $8.88 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 latavia purchased. ($14.88 $8.88)(x y) ($14.88 - $8.88)(x y) $14.88y $8.88x $14.88x $8.88y