The ratio of male to female students is 5:4, the number of female students accounts for a few percent of the class, and the number of male students more than female students accounts for ()% of the class

The ratio of male to female students is 5:4, the number of female students accounts for a few percent of the class, and the number of male students more than female students accounts for ()% of the class

4/(4+5)=4/9
(5-4)/(4+5)=1/9≈11.1%
A: Girls account for 4 / 9 of the class, and boys account for 11.1% of the class