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  • 25-09-2016
  • Mathematics
contestada

If there are 9 girls and 11 boys in a class, what percentage of the class are girls

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Аноним Аноним
  • 25-09-2016
1. Find the total number of class members
    9 + 11 = 20

2. Find 9 as a percentage of 20
    9 / 20 = 0.45
    0.45 x 100 = 45%

45% of the class are girls.
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