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Math Help - travel distance

  1. #1
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    travel distance

    While hiking the Peralta Trail to Wheeler’s Needle and back, Rick spent 60% of his time walking uphill to Wheeler’s Needle and 40% of his time returning by the same trail. If he averaged 2 miles per hour uphill, what was his average speed for the round-trip?

    A. 2 1/3 mph B. 2.25 mph C. 2.4 mph D. 2.5 mph E. 2.6 mph
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  2. #2
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    Hint: assume 6 hours uphill, 4 hours returning...
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