SOLUTION: two planes leave the airport at the same time. One travels east at 450 mph, and the other travels west at 400 mph. Assuming no wind, how long will it take for the planes to be 2000

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Question 447622: two planes leave the airport at the same time. One travels east at 450 mph, and the other travels west at 400 mph. Assuming no wind, how long will it take for the planes to be 2000 miles apart
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
Since they're flying in opposite directions:
2000/450+400=t
t=2000/850=2.35 hrs..