SOLUTION: The average 150-lb adult burns about 360 calories walking 4 mi. How far should the average 150-lb adult walk in order to burn 20 calories?

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Question 202769: The average 150-lb adult burns about 360 calories walking 4 mi. How far should the average 150-lb adult walk in order to burn 20 calories?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
4/360:x/20
360x=80
x=0.23 miles