Products & Materials第 30 / 100 题
A wall measures 2,100 square feet and the coating covers 300 square feet per gallon. How many gallons are needed for TWO coats?
a.7 gallons
b.3.5 gallons
c.10 gallons
d.14 gallons
解析
One coat needs 2,100 / 300 = 7 gallons. Two coats require 7 x 2 = 14 gallons. Rounding up ensures enough paint to finish both coats without running short.
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