SOLUTION: A cyclist covers a distance of x km at 60 km/h. Her return journey at 12 km/h takes 80 minutes longer. Determine the distance

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Question 887283: A cyclist covers a distance of x km at 60 km/h. Her return journey at 12 km/h takes 80 minutes longer. Determine the distance
Answer by lwsshak3(11628) About Me  (Show Source):
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A cyclist covers a distance of x km at 60 km/h. Her return journey at 12 km/h takes 80 minutes longer. Determine the distance
***
let x=distance
travel time=distance/speed
x%2F12-x%2F60=80+min
x%2F12-x%2F60=%284%2F3%29+hr
lcd:60
5x-x=80
4x=80
x=20
distance=20 km