Question 815539: Felix is going to paint a wall. The wall is 23 feet long by 8 feet high. A gallon of paint costs $11 and covers 320 square feet of area.
If the wall requires two coats of paint, what is the minimum cost of painting Felix's wall?
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! a = 23 * 8 = 184 sq.ft
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two coats = 368 sq.ft
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wall coverage per gallon:
320 / 368 = 0.87
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Answer:
need 2 gallons of paint, but only 13% of the second gallon will be used
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