Abuffet restaurant has one price for adults and another price for children. the taylor family has two adults and three children, and their bill was $40.50. the wong family has three adults and one child. their bill was $38. which system of equations could be used to determine the buffet price for an adult and the price for a child? a. x y = 40.50 x y = 38 b. 2x 3y = 40.50 x 3y = 38 c. 2x 3y = 40.50 3x y = 38 d. 2x 2y = 40.50 3x y = 38