On a highway trip, Joseph drives the first 25 miles at 55 mph, and the next 15
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On a highway trip, Joseph drives the first 25 miles at 55 mph, and the next 15 miles at 70 mph. What is his average speed for this trip?
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Related Book For
College Physics A Strategic Approach
ISBN: 9780134779218
4th Edition
Authors: Randall D. Knight, Brian Jones
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