Rate-Time-Distance Problem 3

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Videos by Julie Harland http://yourmathgal.com
Solves this word problem using uniform motion rt=d formula: A 555-mile, 5-hour trip on the Autobahn was driven at two speeds. The average speed of the car was 105 mph on the first part of the trip, and the average speed was 115 mph for the second part. How long did the car drive at each speed? Answer: 105 mph for 2 hours and 115 mph for 3 hours<br />For more great math videos visit: www.youtube.com/user/videosbyjulieharland/videos<br />Aligned to Common Core State Standard: HSA-CED.2