A student is planning a hiking trip using a map of a state park. The map's scale indicates that 1 inch is equal to 2 miles. The student measures the trail from the parking lot to the waterfall and finds it is 3.5 inches long. What is the actual distance of the hike to the waterfall?
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A
3.5 miles
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B
5.5 miles
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C
7 miles
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D
2 miles