Sunday

April 20, 2014

April 20, 2014

Posted by **Shawna** on Monday, April 28, 2008 at 2:06pm.

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 60 miles per hour and train B is traveling at 80 miles per hour. Train A passes a station at 3:25pm. If train B passes the same station at 3:40p.m., at what time will train B catch up with train A?

My answer is 4:25pm

- Math -
**Damon**, Monday, April 28, 2008 at 2:13pmA goes distance d in t hours

B goes distance d in (t -.25) hours because 15 minutes is .25 hours

so

60 t = 80 (t - .25)

20 = 20 t

t = 1 hour

so yes

4:25 pm

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