The number of female students in the sixth grade class is four fifths of that of male students. How many percent more male students than female students? Please list the formula,
If there are x boys, then there are 4 / 5x girls, and the total number is 9 / 5x. Then boys account for 5 / 9 and girls for 4 / 9, and boys account for 1 / 9 more than girls, which is about 11%
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