SOLUTION: A cross country skier reaches the 3-km mark of a race in 15 minutes and the 12-km mark 45 minutes later. Assuming a constant rate, find the speed of the skier in km/min
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Question 1061354: A cross country skier reaches the 3-km mark of a race in 15 minutes and the 12-km mark 45 minutes later. Assuming a constant rate, find the speed of the skier in km/min Answer by ikleyn(52781) (Show Source):
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A cross country skier reaches the 3-km mark of a race in 15 minutes and the 12-km mark 45 minutes later.
Assuming a constant rate, find the speed of the skier in km/min
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= 0.6 km/min.
The second part of the condition ("and the 12-km mark 45 minutes later. ") is excessive and is not necessary.
