Saturday
February 28, 2015

Homework Help: math

Posted by bob on Sunday, October 17, 2010 at 5:52pm.

a freight train that is 1 mile long is traveling at 60mph. a second train that is 2 miles long is traveling 40mph. the trains are moving in opposite directions on parallel tracks. how many seconds does it take between the time their locomotives meet and their cabooses fully pass each other?

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