Suppose you walk for w hours at 3 miles per hour and then drive a car for d hours at 45 miles per hour, covering a total distance of 60 miles. (a) Write a constraint equation that relates the time spent walking and driving to the total distance covered. 20 help (equations) (b) If you only walk and do not drive, how much time do you spend walking? w = 20 hours help (numbers) (c) If vou only drive and do not walk, how much time do vou spend driving?

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