Anonymous
Anonymous asked in Science & MathematicsMathematics · 8 years ago

Math homework 7th grade easy ?

40/50=_\100

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  • 8 years ago

    Look at the 100. What would you need to do to the 50 to make it into 100?

    So you have this

    40

    -----

    50

    =

    X

    ---

    100

    in order to turn the 50 into 100 you would need to multiply the 50 x 2 . Whatever you do to the denominator you must also do to the numerator. so you would multiply the 40 x 2 as well so you have this

    40 x 2 = X

    -------------- -----

    50 x 2 = 100

    and x = 80

    -Tko

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  • 8 years ago

    40/50=80/100

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  • 8 years ago

    40/50=80/100

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  • 8 years ago

    40/50=80/100

    You multiply the fraction by 2/2, which is really just 1, in order to get the fraction out of 100.

    Source(s): Taking AP math classes, and I was once in middle school too :P
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  • 8 years ago

    80

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  • 8 years ago

    4 5ths of 100 is 80.

    Source(s): In algebra.
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  • Anonymous
    8 years ago

    take a 0 off each one so it becomes 4/5=_/10 so then you can see that 5 goes into 10 twice so you times the 4 by two so its eight then add the zeros back in, simple answer is 80 :)

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  • Anonymous
    8 years ago

    Lol

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