The perimeter of a rectangular field is 400 feet. The length is 20 feet more than twice the width. The dimensions of a rectangular field are _____?
- 60 x 140
- 130 x 170
- 70 x 150
- None of these
Explanation
Let width = w, length = 2w + 20
Perimeter = 2(length + width)
400 = 2((2w + 20) + w)
200 = 3w + 20
180 = 3w
w = 60
Length = 2(60) + 20 = 140
Width = 60
Dimensions: 60 × 140
Last verified on 09-03-2026
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