SOLUTION: The perimeter of a rectangular concrete slab is 90 feet and its area is 416 square feet. What is the length of the longer side of the slab?
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Question 945544: The perimeter of a rectangular concrete slab is 90 feet and its area is 416 square feet. What is the length of the longer side of the slab? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! The perimeter of a rectangular concrete slab is 90 feet and its area is 416 square feet. What is the length of the longer side of the slab?
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2L + 2W = 90
L + W = 45
L*W = 416
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Find a pair of factors of 416 with a sum of 45.