SOLUTION: A rectangle is 5 times as long as it is wide. If the area is 80 square feet, what is the perimeter?
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Question 1144802: A rectangle is 5 times as long as it is wide. If the area is 80 square feet, what is the perimeter?
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!
x = width
5x = length
area = length times width = x(5x) = 5x^2 = 80
The perimeter is (length plus width) times 2 = (5x+x)(2) = 12x
Solve
to find x.
Then the perimeter is 12x.
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