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Posted by on Saturday, October 16, 2010 at 7:22pm.

two trains leave at the same time from stations 284 miles apart, traveling toward each other at 33mph and 38 mph respectively. how long will it take them to meet?

  • math - , Sunday, October 17, 2010 at 12:26am

    Leng of path is product of speed and time.

    Leng of path of first train is 33*t

    Leng of path of second train is 38*t

    Sum of that two path must be 284 miles.

    33*t+38*t=71*t
    71*t=284 Divide with 71
    t=284/71= 4 hours

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