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July 31, 2014

July 31, 2014

Posted by **Jone** on Monday, July 5, 2010 at 6:46pm.

- algerba -
**bobpursley**, Monday, July 5, 2010 at 7:15pmso they are 12 minutes apart. Train A has traveled 12 miles in that time (d=v*t)

so, the relative distance is 12miles, at a relative velocity of 20mph, it takes

time=12/20=3/5 hr or 36 min, so the time of catching up is 36 min after 10:37

- algerba -
**Henry**, Monday, July 5, 2010 at 7:23pm10:37-10:25=12 minutes=0.2hour difference. When B catches up in 12

minutes, their distance traveled will

be equal: 60t=80(0.2), t=0.266666 hr

=16 minutes.

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