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  • 31-10-2017
  • Mathematics
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I need help someone explain?????

I need help someone explain class=

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Gidwn Gidwn
  • 31-10-2017
In 9, the error is that the 276 should be the numerator, not the denominator, because in the proportion Elisa made, the number of students is the numerator and the number of teachers is the denominator. 

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