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Question 187847: A gallon of water seal covers 200 square feet. How many gallons are needed to piant two coats of water seal on a deck that measures 20 feet by 35 feet? I know the awnser is 7 gallons, but I cant figure out how to work the problem. Could Someone please help me, by showing all the correct steps in working out this problem? Thank You
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! A gallon of water seal covers 200 square feet. How many gallons are needed to piant two coats of water seal on a deck that measures 20 feet by 35 feet? I know the awnser is 7 gallons, but I cant figure out how to work the problem. Could Someone please help me, by showing all the correct steps in working out this problem?
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The area of the deck is 20*35 = 700 sq ft
a gallon covers 200 sf, so one coat will take 700/200 = 3.5 gallons
The 2nd coat take another 3.5 gallons.
That's 7 gallons.
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