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Math Help - hard fraction

  1. #1
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    hard fraction

    hi this is my question:
    what number when multiplyed by 2/5 gives an answer of 1?
    i have no idea how to work this question out so can anyone help me to work it out please?
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  2. #2
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    5/2
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  3. #3
    Senior Member
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    Quote Originally Posted by andyboy179 View Post
    hi this is my question:
    what number when multiplyed by 2/5 gives an answer of 1?
    i have no idea how to work this question out so can anyone help me to work it out please?
    \frac{2}{5} x = 1, then x = \frac{5}{2}

    this what you want?
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