Posted by Avery on Tuesday, June 1, 2010 at 9:23pm.
A train leaves a city heading west and travels at 50 miles per hour. Three hours later, a second train leaves from the same place and travels in the same direction at 65 miles per hour. How long will it take for the second train to overtake the first train.

Algebra  Reiny, Tuesday, June 1, 2010 at 9:47pm
To do these kind of questions, you have to ask yourself, what quantities are equal, so I can set up an equation.
When the second train overtakes the first, aren't the distances traveled by each equal ?
The slower train went t+3 hours, while the faster train only went t hours, right?
You know their rates, so can you find the distances they went?
let me know how you made out.

Algebra  Avery, Tuesday, June 1, 2010 at 9:58pm
don't get it

Algebra  Flynn, Sunday, October 30, 2016 at 11:22pm
It will take 10h for the second train to catch up after it leaves. I think.
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