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May 24, 2015

Homework Help: physics

Posted by Anonymous on Monday, October 11, 2010 at 1:52pm.

Sally travels by car from one city to another. She drives for 30.0 min at 80 km/h, 12 min at 105 km/h, and 45 min at 40 km/h. She spends 13.0 min eating lunch and buying gas. what the average speed for the trip?

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