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September 20, 2014

September 20, 2014

Posted by **chica** on Tuesday, January 26, 2010 at 8:15pm.

- math algebra -
**drwls**, Tuesday, January 26, 2010 at 8:20pmWhen train B goes by the station, they are 80 x (1/4) = 20 miles apart.

The distance between the trains decreases at a rate 100 - 80 = 20 mph.

It will take one hour to close the gap.

That will occur at 4:35 PM

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