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Mathematics of Flight Time

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Two planes leave O'Hare Airport in Chicago at the same time.One flies directly east at 540 miles per hour.The other flies directly west at 720 miles per hour.How long will it take them to be 1890 miles apart.

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The expert examines mathematics of flight times. A complete, neat and step-by-step solution is provided.

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Let it take t hours for the two planes to be 1890 miles ...

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