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Thread: 7th grade math problem???

  1. April 30th 2008, 02:15 PM #1
    mr_payne2003
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    7th grade math problem???

    3/7 of 56 = n

    I took 3/7 = 0.428571 and timed it by 56 and got 23.999998. rounded to 24, n= 24 is this right?

    Please help...
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  2. April 30th 2008, 02:39 PM #2
    TheEmptySet
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    Quote Originally Posted by mr_payne2003 View Post
    3/7 of 56 = n

    I took 3/7 = 0.428571 and timed it by 56 and got 23.999998. rounded to 24, n= 24 is this right?

    Please help...
    \frac{3}{7}\cdot 56=n

    to multiply them together rewrite 56 as a fraction over 1


    \frac{3}{7}\cdot \frac{56}{1}=n


    \frac{3 \cdot 56}{7 \cdot 1}=n

    \overbrace{\frac{3 \cdot \not {56}}{\not 7 \cdot 1}}^{8}=n

    3 \cdot 8=24=n

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