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3 July, 12:04

3/21 = 1/x what's the value of x

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Answers (2)
  1. 3 July, 12:09
    0
    The value of x is 7 because 3/21 = 7 so it's the same as 1/7.
  2. 3 July, 12:21
    0
    3 : 21 = 1 : x

    x = 21 * 1 : 3

    x = 7
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