Mr. Lafond is building a rectangular dog run in his backyard. He uses 86 feet of fencing to enclose the dog run. The dog run is 25 feet long. How wide is the dog run?

Question

Scarlett

Mathematics

17 October, 16:24

Mr. Lafond is building a rectangular dog run in his backyard. He uses 86 feet of fencing to enclose the dog run. The dog run is 25 feet long. How wide is the dog run?

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Answers (1)

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Keagan · Answer 1

Here,

Perimeter (P) = 86 feet

Length (l) = 25 feet

Let, width (b) = x feet

Then,

Perimeter = 2 (l+b)

86=2 (25+x)

43=25+x

x=18

Hence, required width is 18 feet ...