SOLUTION: two trains leave chicago at the same time traveling in opposite directio. one is going 60 miles per hour and the other is going 65 miles per hour. how long before they are 375 mile

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Question 414829: two trains leave chicago at the same time traveling in opposite directio. one is going 60 miles per hour and the other is going 65 miles per hour. how long before they are 375 miles a part
Found 2 solutions by sudhanshu_kmr, josmiceli:
Answer by sudhanshu_kmr(1152) About Me  (Show Source):
You can put this solution on YOUR website!

relative velocity = 125

time = 375 /125 = 3
so 3 hours...


Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
You can think of one standing still and the other traveling at the sum
of their speeds
d+=+%2860+%2B+65%29%2At
375+=+125t
t+=+3
They are 375 mi apart in 3 hrs