# SOLUTION: the length of a rectangular greenhouse is three times the width. if the perimeter of the greenhouse is 96 feet, what are the dimensions of the greenhouse?

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 Click here to see ALL problems on Rectangles Question 568282: the length of a rectangular greenhouse is three times the width. if the perimeter of the greenhouse is 96 feet, what are the dimensions of the greenhouse?Answer by TutorDelphia(193)   (Show Source): You can put this solution on YOUR website!They tell you that L equals 3 times W: l=3w The formula for perimeter is just to add up all the sides (2 sides are the length and 2 are the width) 2l+2w=96 we can divide both sides by 2 and get l+w=48 we know l=3w so we can sub that in 3w+w=48 combine like terms 4w=48 divide both sides by 4 w=12 l=3*12 l=36