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Leokris [45]
3 years ago
12

The rectangular ground floor of a building has a perimeter of 780 ft. The length is 200 ft more than the width. Find the length

and the width.
The length is ___ and the width is ___
Mathematics
1 answer:
ivolga24 [154]3 years ago
7 0

Answer:

L = 295ft

W = 95ft

Step-by-step explanation:

Perimeter of a rectangle = 2(L+W)

If the length is 200 ft more than the width, then:

L = 200+W

Substitute

P = 2(200+W+W)

780 = 2(200+2W)

780 = 400+4W

4W = 780-400

4w = 380

W = 380/4

W = 95ft

Since L = 200+w

L = 200+95

L = 295ft

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