SOLUTION: Suppose x gallons of paint can cover y square feet of wall. If the paint costs z dollars per gallon, what expression gives the total cost of painting w square feet?

SOLUTION: Suppose x gallons of paint can cover y square feet of wall. If the paint costs z dollars per gallon, what expression gives the total cost of painting w square feet?

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Question 353961: Suppose x gallons of paint can cover y square feet of wall. If the paint costs z dollars per gallon, what expression gives the total cost of painting w square feet?

Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
Assuming it takes 1 gal. to paint 600 ft^2.
The cost of a gal of paint=$20.
The total area to paint is 2,400 ft^2.
The formula is:
(w/y)xz
(2,400/600)1*20
4*1*20=$80 to paint 2,400 ft^2.

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