SOLUTION: The average 140-lb adult burns about 320 calories walking 4 mi at a moderate speed. How far should the average 140-lb adult walk in order to burn 100 calories?

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Question 881718: The average 140-lb adult burns about 320 calories walking 4 mi at a moderate speed. How far should the average 140-lb adult walk in order to burn 100 calories?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
320%2F%284mi%29+=+100%2Fx
320x = 400
x = 400/320 = 1.25mi