If 4 boxes of popcorn and 3 soft drinks cost $29 and 5 boxes of popcorn and 2 soft drinks cost $31, find the price of a box of popcorn and the price of a soft drink.
(a) Write a system of linear equations that models the situation.
(b) Solve the resulting system.
(a) Let the box of popcorn cost $x and the soft drink cost $y. Write the system of equations.
[ ] = 29
[ ] = 31
