SOLUTION: Bob walks from point A to point B at 6 miles per hour and back at 8 miles per hour.What is his average speed

Question 357299: Bob walks from point A to point B at 6 miles per hour and back at 8 miles per hour.What is his average speed
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
let c be the distance from A to B (and vice-versa). Then his time of travel from A to B is c/6 hrs. Similarly, his time from B to A is c/8. His total time of travel is then hrs. His total distance traveled is 2c. Therefore his average speed is miles per hour.
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