Rate-Time-Distance Problem 1

YourMathGal
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Published on Aug 6, 2009

Videos by Julie Harland http://yourmathgal.com
Solves this word problem using uniform motion rt=d formula: Two cyclists start at the same corner and ride in opposite directions. One cyclist rides twice as fast as the other. In 3 hours, they are 81 miles apart. Find the rate of each cyclist. Answer: 9 mph and 18 mph

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