SOLUTION: Two trains start from the same station at 10am one traveling east at 60mph one travelling west 70mph at what time will they be 455 miles aprt
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Question 628025: Two trains start from the same station at 10am one traveling east at 60mph one travelling west 70mph at what time will they be 455 miles aprt
Found 2 solutions by richwmiller, josmiceli:
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
60x+70x=455
130x=455
x=3.5 hours
10+3.5= 13.5
1:30 pm
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Think of one train as standing still and the other one
traveling away from it at the sum of their speeds
until they are 455 miles apart.
3.5 hours after 10 AM is 1:30 PM
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