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| Math Central | Quandaries & Queries |
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Question from flo, a student: michelle walks 4 km to the top of a hill at 3 km/h then immediately walks back down at an average speed of 5 km/h what is her average speed for the 8km walk |
Hi Flo,
Michelle walked uphill for 4 km at 3 km/hour. How long did it take her?
Michelle walked downhill for 4 km at 5 km/hour. How long did it take her?
What was her total time? What was her total distance? What was her average speed?
Penny
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