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
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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
jamiebookeater
  • jamiebookeater
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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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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