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Tara while driving to school computes the average speed for her trip to be 20 km/h. On her return trip along the same route, there is less traffic and the average speed is 40 km/h. What is the average speed for Tara's trip? |
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Answer» Tara while driving to school computes the average speed for her trip to be 20 km/h. On her return trip along the same route, there is less traffic and the average speed is 40 km/h. What is the average speed for Tara's trip? |
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