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6 February, 18:31

21 is 55% of what number

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Answers (2)
  1. 6 February, 18:39
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    You may use is/of method
  2. 6 February, 19:00
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    21/x = 55/100

    this is how you would model this problem. now, multiply both sides by 100.

    so 2100/x = 55. multiply both sides by x.

    so 2100=55x

    divide both sides by 55. so

    x is 38.18181818 (18 repeating forever) so the number they are asking for is that 38.18 (18repeating forever). round as necessary
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