SOLUTION: A rectangle has a perimeter of 50 meters, and its length is 4 times its width. Calculate its dimensions

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Question 1078536: A rectangle has a perimeter of 50 meters, and its length is 4 times its width. Calculate its dimensions
Answer by Boreal(15235) About Me  (Show Source):
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Perimeter is 2L + 2W
1L + 1W is a half perimeter or 25 m here.
but L=4W
Therefore, 4W+W=25 by substitution.
5W=25
W=5 m
L=20 m