anonymous
  • anonymous
two cities are 4050 miles apart. a plane leaves one of them, traveling towards the other at an average speed of 420 miles per hour. At the same time a plane leaves the other city, traveling towards the first, at an average speed of 390 miles per hour. How long will it take them to meet?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
help!!
anonymous
  • anonymous
They are moving together with a speed of (420+390)mph
anonymous
  • anonymous
so the meet in how many hours?

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anonymous
  • anonymous
Time = distance/speed = 4050/(420+390) = ...

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