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Precalculus 15 Online
OpenStudy (anonymous):

marlene rides her bicycle to her friend jons house and returns home by the same route. shes rides her bike at a constant speed on 9mph on level ground, 6mph while going uphill and 18mph going downhill. if her total time riding was 2 hr, how far is it to jons house?

OpenStudy (anonymous):

22m

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