SOLUTION: Christopher is painting a wall that has a width of 20 feet and a height of 12 feet. Each gallon of paint he is using covers 80 square feet. How many gallons of paint will he need t
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Question 767800: Christopher is painting a wall that has a width of 20 feet and a height of 12 feet. Each gallon of paint he is using covers 80 square feet. How many gallons of paint will he need to buy to paint the entire wall?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Find surface area of the wall and use paint's ratio on that area, and if nonwhole, take one more gallon can, to have at least enough paint to finish the wall.
AREA OF WALL:
sq. ft.
HOW MANY GALLON CANS?
ANSWER: 3 gallons.
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