Question

a certain school has 300 students 142 of whom are boys .It has 30 teachers, 12 of whom are men. What percent of the total number of teachers in the school is female

Answer 1

If a school has 30 teachers and whom 12 are male so,

percentage of male teachers =

$= \frac{12}{30} \times 100 \\ = 40\%$
So percentage of female teachers
= (100-40)%
= 60%

Number of female teachers
= 60/100 ×30
=18