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nydimaria [60]
3 years ago
5

3. Antoinette is building a rectangular pen with 78 feet of fencing. If the length of the pen is 5

Mathematics
1 answer:
OlgaM077 [116]3 years ago
7 0

Answer:

length = 22

Width = 17

Step-by-step explanation:

78 = 2(w+5) + 2(w)

78 = 2w + 10 + 2w

78 = 4w + 10

68 = 4w

w = 17

l = 17 + 5 = 22

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