Question
Along-distance runner trains for 3 hours. During the first part of the training, he keeps a pace of 7 miles per hour (mph). For the
Along-distance runner trains for 3 hours. During the first part of the training, he keeps a pace of 7 miles per hour (mph). For the second part, he slows down to 5 mph. At the end of the run, he has traveled a total of 19.5 miles. How long did he spend at each speed?
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Mathematical Interest Theory
Authors: Leslie Jane, James Daniel, Federer Vaaler
3rd Edition
147046568X, 978-1470465681
