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laborumpossimus
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stne
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He walked 2.5 miles.
2.5 miles = 30 mins

He has 54 mins remaining.
54-30 (mins to walk back 2.5 miles) = 24
He has 24 mins remaining to walk further and walk back.

24/2 = 12 mins -> The distance takes 12 mins.
12 mins = 1 mile

Answer: B
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Thanks i understand now

stne

Lets say he can hike further uphill for D miles. Then in \(54\) minutes he has to cover D+D+\(2.5.\)

Speed is \(\frac{1}{12}\) miles per minute.

T=D/S

\(12\)D +\(12\)D +\(12(2.5)\) = \(54\)
\(24\)D =\(24\)
D=\(1\)

Ans B

Hope it helped.
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