Answer:
Width = 40m
Length = 130m
Explanation:
Let width = W
length = 2W + 50
P = 2(L+W)
340 = 2(2W+50+W)
340 = 2(3W + 50)
340 = 6W + 100
240 = 6W
W = 40
The length is 50m more than twice its width
L = 2W + 50
L = 2(40) + 50
L = 80 + 50
L = 130
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