SOLUTION: Joe exercises 21 hours per week by walking and biking. He averages 3 MPH walking and 12 MPH biking. If he covers 180 miles per week, how far does he walk each week? How far does he
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Question 994974: Joe exercises 21 hours per week by walking and biking. He averages 3 MPH walking and 12 MPH biking. If he covers 180 miles per week, how far does he walk each week? How far does he bike? Answer by CubeyThePenguin(3113) (Show Source):