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Physics, 17.09.2019 23:00 jaidenlaine9261

Julie drives 100 mi to grandmother's house. on the way to grandmother's, julie drives half the distance at 39.0 mph and half the distance at 61.0 mph . on her return trip, she drives half the time at 39.0 mph and half the time at 61.0 mph . you may want to review (pages 33 - 36) . part a what is julie's average speed on the way to grandmother's house? express your answer with the appropriate units.

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