SOLUTION: Two cities are 2160 miles apart. A plane leaves one of them, travelling towards the other at an average speed of 340 miles per hour. At the same time a plane leaves the other, trav
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Question 333932: Two cities are 2160 miles apart. A plane leaves one of them, travelling towards the other at an average speed of 340 miles per hour. At the same time a plane leaves the other, traveling toward towards the first, at an average speed of 380 miles per hour. How long will it take them to meet? Answer by rfer(16322) (Show Source):
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