SOLUTION: A courier who goes at the rate of 4.5mi./h is followed, after 6.0h, by another who goes at the of 5.5mi./h. In how many hours will the second overtake the first?, x=?

Question 1152903: A courier who goes at the rate of 4.5mi./h is followed, after 6.0h, by another who goes at the of 5.5mi./h. In how many hours will the second overtake the first?, x=?
Answer by greenestamps(13209) (Show Source): You can put this solution on YOUR website!

In 6 hours, the distance the first courier travels is 6(4.5) = 27 miles.

The difference in the rates of the two couriers is 1 mi/hr.

The time required to make up the distance of 27 miles at the rate of 1 mi/hr is 27/1 = 27 hours.

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