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    #1

    into

    In math what does the word into mean?
    multiplication? multiplication but inside parentheses? or what?


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    #2

    Re: into

    Can you provide an exact example?

  1. engee30's Avatar
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    #3

    Re: into

    Into is used to express division in mathematics:
    3 into 24 is 8 = 24 divided by 3 is 8

  2. Charlie Bernstein's Avatar
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    #4

    Re: into

    How many times does three go into twelve? Three goes into twelve four times.

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    #5

    Re: into

    I have classmates who read the following equation in the following way:

    3x(1-1/0.1) as three into one minus 1 over 0.1 but I don't know if this into is used because I have "(" or because I have "x"

  3. Charlie Bernstein's Avatar
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    #6

    Re: into

    Quote Originally Posted by Daniellll View Post
    I have classmates who read the following equation in the following way:

    3x(1-1/0.1) as three into one minus 1 over 0.1 but I don't know if this into is used because I have "(" or because I have "x"
    No. "Into" always means "divided by." It never means "times."

    Give your classmates an F.

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    #7

    Re: into

    I will. At least I can pretend now that I have a better english

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    #8

    Re: into

    Quote Originally Posted by Daniellll View Post
    I have classmates who read the following equation in the following way:

    3x(1-1/0.1) as three into one minus 1 over 0.1 but I don't know if this into is used because I have "(" or because I have "x"
    Where are those classmates of yours from?
    Maybe they use "into" because of the distributive propriety of multiplication towards sum, regarding reals. (I mean probably they do that because of the "(" instead of the "x")

    Perhaps some kind of "international English" is in use here, regarding math?

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    #9

    Re: into

    I found the following information from an old thread at UsingEnglish:

    Quote Originally Posted by BobK View Post
    In algebra, when there is an expression in brackets, it's common to say into rather than by: a(a + b) is "a into a plus b".

    b
    That is what I suspected. Such usage is probably associated to the distributivity of multiplication toward addition.

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