An athlete can jog at twice her walking pace. By walking for a total of 1h 40 mins and jogging for a total of 30 minutes she covers a total distance of 16km. What is her walking pace in kilometres per hour (kph)?

1 Answer
Crater M.
Feb 16, 2018

#6# km/h

Explanation:

As her jogging speed is twice her walking speed we know that 30 minutes of her jogging is equivalent to 1 hour of her walking, so add that 1 hour onto her previous 1 hour 40 minutes of walking to get 2 hours 40 minutes of walking.

Convert minutes to hours

#40/60=0.6# hours plus the other 2 hours for a total of #2.6# hours.

#16/2.6# Divide the time spent by the distance traveled to get her walking speed.
#=6.153846...#

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