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November 28, 2014

Homework Help: Math (Grade 9)

Posted by Rezu on Thursday, March 29, 2012 at 7:16pm.

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, then what is the total distance she walks in km?
She walks 18km in total.

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