Krystal33
Krystal33 Krystal33
  • 10-02-2016
  • Mathematics
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40% of what number is 30?

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Leader
Leader Leader
  • 10-02-2016
30 = 40% * x

30 = 40/100 * x

30 = 4/10 * x

30 = 2/5 * x

x = 30 * 5/2

x = 15 * 5

x = 75


40% of 75 is 30
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