Trolleybus

Trolleybus line No. 206 measured 24 km. If the trolleybus goes faster by 5 km/h, the way there and back would is shorter by 33 minutes. Calculate the trolleybus speed and how much time it takes a return trip.

Result

Trolleybus speed is:  18.5 km/h
The return trip took:  155.4 min

Solution:

Solution in text The return trip took:=







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