If 2 men start from the same place and travel in opposite directions, one at the rate of 4 miles an hour, and the other at the rate of 5 miles an hour, how far apart will they be at the end of 1 hour ? At the end of 2 hours ? 5 hours? An Elementary Intellectual Arithmetic: Containing Numerous Origional ... - Page 34 by Daniel Leach, Robert Swan - 1853 - 160 pages Full view -
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