posted by Mia .
Country Workshop manufactures both finished and unfinished furniture for the home. The estimated quantities demanded each week of its rolltop desks in the finished and unfinished versions are x and y units when the corresponding unit prices, in dollars, are described, respectively, in the following equations.
p = 310-1x-1/2y
q = 730-1/2x-1/7y
(a) What is the weekly total revenue function R(x,y)?