Math

Have you ever been on an airplane and heard the pilot say that the plane would be a little late because it would be flying into a strong headwind or that even though the plane was taking off a bit late, you would be making up time because you would be flying with a tailwind? This problem asks you to analyze such a situation. You have the following data: A plane flying at its maximum speed can go 210 miles per hour with a tailwind or 170 miles per hour into a headwind.

What is the wind speed?

What would be the maximum speed of the plane if there were no wind?

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  1. Assuming both winds are the same velocity.

    210 -170 = 40, therefore wind is
    20mph

    Therefore plane's unhindred speed would be 210-20 or 170+2 = 190mph

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