Problema Solution

vang is traning for a triathlon. He rides his bicycle at a speed that that is 15 miles per hour faster than his running speed. If vang can cycle 40 miles in the same amount of time that it takes him to run 16 miles, what is vang's running speed

Answer provided by our tutors

Let


v = Vang's running speed, v>0


v + 15 = Vang's bicycling speed


Since speed = distance/time follows time = distance/speed


40/(v + 15) = 16/v

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v = 10 mph


Vang's running speed is 10 mph.