Each week I post a question of the week in my classroom. On Friday I draw a couple of correct answers for 3 extra credit points on a future test. Many students have asked that I post the question on my blog, so here goes.
Jillian visits her friend Doug 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?
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