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14 May, 07:29

20% of a number is 64

what is 50% of the number?

explain how you worked this out

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Answers (1)
  1. 14 May, 10:05
    0
    Is %

    __ = __

    of 100

    64 20%

    __ = __

    x 100

    20x = 6,400

    Divide.

    6,400/20=320.

    Half or 50% of 320 is 160.
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