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Three fences on a ranch measure 1516 mile 7 8 Mile in 7 16 mile which is the best estimate of the total length of all three fences

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Assume that the three lengths are 15/16, 7/8 and 7/16 miles.

The total length of the fences is

(15)/(16)+ (7)/(8) + (7)/(16)\\\\= (15+(7*2)+7)/(16) \\\\= (36)/(16) \\\\= (9)/(4) \\\\=2\, (1)/(4)

Answer:
2\, (1)/(4)\,miles

User Nellz
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