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Math Help - Maths

  1. #1
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    Maths

    If 3/10 of a number is 15, how much is 6 times that number?
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  2. #2
    MHF Contributor MarkFL's Avatar
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    Re: Maths

    How can we write "3/10 of a number is 15" as an equation?
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  3. #3
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    Re: Maths

    3/10x15/1
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  4. #4
    MHF Contributor MarkFL's Avatar
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    Re: Maths

    Let x represent the number, since we don't know what it is. We are told that if we multiply this number by 3/10, the result is 15:

    \frac{3}{10}\cdot x=15

    Now, we may solve this for x.
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    Re: Maths

    thanks
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