SOLUTION: a train leaves new york at 3:00 PM. A second train leaves the same city in the same direction at 6:00 PM. The second train travels 54 MPH faster.

Question 829037: a train leaves new york at 3:00 PM. A second train leaves the same city in the same direction at 6:00 PM. The second train travels 54 MPH faster.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
You did not actually ask a question but the situation can be analyzed.
The 3PM train is at speed r. This train travels for time x+3, assuming it still travels after the 6PM train begins its travel. Meanwhile, after 6PM, the 6 PM train travels for x length of time.

__________________speed______________time______________distance
3pm train_________r__________________x+3_____________(unknown description)
6pm train_________r+54_______________x_______________(unknown description)

You would want a question about some total of time, or some total of distance, or some difference in distance, or some comparison about distance; or some description allowing you to find x or r. You would make use of the uniform rates idea,
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