Two-thirds of the girls in a class. So what percentage of boys will be in the class?
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one third boys in class
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Suppose total no. Of students in the class is X.
So as 2/3 part of the class is girls this makes 1/3 part of the class boys.
total number of girls will be equal to 2/3 *X. (That is 2/3 part of the total no of students in the class)
And total no. of boys is equal to 1/3*X.
So ratio of boys to girls is (1/3*X) / (2/3*X).
That is 1:2
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