At a fundraiser breakfast, the bill for three glasses of orange juice and five pancake specials is $7.60, whereas the bill for one glass of orange juice and two pancake specials is $2.90. . a. write a system of two equations to model this problem. let j stand for the price of a glass of juice and let p stand for the price of a pancake special.. b. use the substitution method to solve the system of equations.. c. what would be the bill for one glass of orange juice and one pancake special? .