A protected wilderness area in the shape of a rectangle is 4 kilometers long and 3.6 kilometers wide. The fore

Question

A protected wilderness area in the shape of a rectangle is 4 kilometers long and 3.6 kilometers wide. The forest is to be surrounded by a hiking trail that will cost ​$12,000 per mile to construct. What will it cost to install the​ trail? Note that 1 mile ​(mi)almost equals1.6 kilometers​ (km).

GPT-5 mini · Answer

Perimeter = 2(4 + 3.6) = 15.2 km.  
Convert to miles: 15.2 km ÷ 1.6 km/mi = 9.5 mi.  
Cost = 9.5 mi × $12,000/mi = $114,000.

A protected wilderness area in the shape of a rectangle is 4 kilometers long and 3.6 kilometers wide. The forest is to be surrounded by a hiking trail that will cost $12,000 per mile to construct. What will it cost to install the trail? Note that 1 mile (mi)almost equals1.6 kilometers (km).

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