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    The speed of a sound wave in the air is about 1,100 ft per second. How far does it travel in a quarter of a minute?

    0  Views: 2163 Answers: 3 Posted: 11 years ago
    Tags: 101 math

    3 Answers

    16,500ft

    Colleen

    Moderator
    Or have ROMOS do the math for you. Did I miss a step in my set up?
    ROMOS

    Quarter of a "minute"?
    Colleen

    Moderator
    Nope, I see it. I put 6 seconds in a minute, not 60

    Edited after actually reading the question correctly :)


    1,100 ft per second.


    15 seconds in a quarter of a minute. 


    1,100 X 15 = ? 


    Do the math

    ROMOS

    Only 6 seconds in a minute?
    Colleen

    Moderator
    Just caught it.
    ROMOS

    No quarter of an hour in the question.
    Colleen

    Moderator
    Ugh. For some reason my mind read quarter of an hour. Probably because 1/4 of a minute is not common like 1/4 of an hour.
    Colleen

    Moderator
    I even read it the same way the second time around.

    15 X 4 = 60.So, a quarter of a minute is 15 seconds.So, 15 X 1,100 =16,500'.



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