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Sally travels by car from one city to another. She drives for 30 min at 80 km/h, 24 min at 100 km/h, and 45 min
Sally travels by car from one city to another. She drives for 30 min at 80 km/h, 24 min at 100 km/h, and 45 min at 40 km/h, and she spends 12 min eating lunch and buying gas. What is her average speed for the trip? Group of answer choices
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Essential College Physics Volume 1
Authors: Andrew Rex, Richard Wolfson
1st Edition
978-0321611161, 0321611160
