November 30, 2015

Homework Help: Math

Posted by Fran on Tuesday, October 2, 2012 at 9:29pm.

Elizabeth visits her friend Andrew and then returns home by the same route. She always walks 2km/h when going uphill, 6km/h when going downhill and 3km/h when on level ground. If her total walking time is 6 hours, what is the total distance she walks in km?

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