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Mathematics 28 Online
OpenStudy (anonymous):

a cyclist rides her bike over a route that is 1/3 uphill, 1/3 level, and 1/3 downhill. If she covers the uphill part of the route at a rate of 16 km/h, and the level part at a rate of 24 km/h, what rate would she have to travel during the downhill part of the route in order to average 24 km/h for the entire route? (ANS: 48km/h)

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