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Two cities are 3 2 0 0 miles apart. A plane leaves one of them, traveling towards the other at an average speed of 400 miles per hour.

Two cities are 3200 miles apart. A plane leaves one of them, traveling towards the other at an average speed of 400 miles per hour. At the same time a plane leaves the other, traveling towards the first, at an average speed of 400 miles per hour. How long will it take them to meet?

 

the two planes meet in _______ hours.

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relative speed... View the full answer

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Here is the explanation for... View the full answer

1 comment
  • 3200/800=4 hours
    • mlnopq
    • Jul 20, 2016 at 12:01pm

400h+400h=3200... View the full answer

Both traveling, so when the sum of the distances they travel is... View the full answer

1 comment
  • please rate this as the best answer thank you wish you well in your exams
    • princess_kim
    • Jul 20, 2016 at 12:05pm

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