A 900-square-foot wall area requires two coats of the same paint. Coverage is 350 square feet per gallon per coat. Paint is sold only in full one-gallon containers. Ignoring other allowances and attic stock, what minimum number of gallons must be purchased?
Correct Answer
A) 6 gallons.
900 × 2 ÷ 350 = 5.142857… gallons consumed. Round up only at purchasing: six one-gallon containers. Five provide only 1750 square feet of coverage, less than 1800.
Why This Is the Correct Answer
900 × 2 ÷ 350 = 5.142857… gallons consumed. Round up only at purchasing: six one-gallon containers. Five provide only 1750 square feet of coverage, less than 1800.
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