document.write( "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 \n" ); document.write( "
Algebra.Com's Answer #140840 by Alan3354(69443)![]() ![]() 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? \n" ); document.write( "---------------- \n" ); document.write( "The area of the deck is 20*35 = 700 sq ft \n" ); document.write( "a gallon covers 200 sf, so one coat will take 700/200 = 3.5 gallons \n" ); document.write( "The 2nd coat take another 3.5 gallons. \n" ); document.write( "That's 7 gallons. \n" ); document.write( " |