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Mathematics 22 Online
OpenStudy (anonymous):

Alberto contador is riding in the vuelta a españa. He is using a 210-millimeter-diameter chainring and 50-millimeter-diameter sprocket with 700-millimeter-diameter rear wheel. Find his linear velocity if he is pedaling at a rate of 75 revolutions per minute. Give your answer in kilometers per hour.(1km = 1000000mm).

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