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27 March, 00:19

It took a plane 3 hours to travel 2100 miles with a tail wind. It took the plane 7 hours to make the return trip against the wind. How fast was the plane traveling? And how strong was the wind blowing?

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  1. 27 March, 00:42
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    Answer: the speed of the plane is 300 miles per hour

    The strength of the tail wind is 400 miles per hour

    Step-by-step explanation:

    A tail wind travels in the direction of the airplane. It took the plane 3 hours to travel 2100 miles with a tail wind.

    Speed = distance / time

    The speed of the airplane while travelling with the tail wind is

    2100/3 = 700 miles per hour.

    It took the plane 7 hours to make the return trip against the wind. This means that the plane travelled the same distance of 2100 miles back in 7 hours.

    The speed of the plane while travelling back would be

    2100/7 = 300 miles per hour

    The speed of the wind would be

    the speed while it was flying with the tail wind - the speed when it was flying against the tail wind. it becomes

    700-300 = 400 miles per hour
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