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4 March, 10:06

One third of a number is 15 less than five sixths of the number. Find the number.

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Answers (2)
  1. 4 March, 10:39
    0
    N/3=5n/6 - 15

    2n/6=5n/6-90/6

    2n=5n-90

    3n=90

    n=30
  2. 4 March, 13:20
    0
    1/3 (x) = 5/6 (x) - 15

    2/6 (x) = 5/6 (x) - 15

    15 = 1/2 (x)

    x=30
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