Respuesta :
20/28 are female. Since there are 8 male students you just have to subtract 28-8 and you'll get the female total.
28 students.....8 are men...that means 20 are women
the fraction of the women in the class are : 20/28 which reduces to 5/7
the fraction of the women in the class are : 20/28 which reduces to 5/7