PLEASE HELP!! <------------
It was 19 kilometers from the campgrounds to the lake. Joel and Mario rode their bicycles from the campgrounds to the lake and back again. If the round trip ride took them 2 hours, what was their adverse speed in kilometers per hour?

This is a very simple problem. If they rode from the campgrounds to the lake and back that is 2* the distance or distance + distance. The distance was 19 so the total distance is 38km. Now you have to find their average speed in km per hour. So they took 2 hours to go 38km. All you do is divide 38km/2hr. and you get 19 km per hour. :)

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PLEASE HELP!! <------------ It was 19 kilometers from the campgrounds to the lake. Joel and Mario rode their bicycles from the campgrounds to the lake and back again. If the round trip ride took them 2 hours, what was their adverse speed in kilometers per hour?

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PLEASE HELP!! <------------
It was 19 kilometers from the campgrounds to the lake. Joel and Mario rode their bicycles from the campgrounds to the lake and back again. If the round trip ride took them 2 hours, what was their adverse speed in kilometers per hour?