GMAT Practice Question Set #42 (Question 124-126)

Problem Solving Question #126: Treadmill Running  
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Rebecca runs at a constant rate on the treadmill and it takes her 2 hours longer to reach a
certain milestone than the time it takes Jeff to reach that same milestone. If Jeff also moves at
a constant rate and the two are allowed to combine their distances traveled to reach 25%
beyond the initial milestone in 3 hours, how many hours would it take for Rebecca alone to
reach the equivalent distance of 2 milestones?











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