Question

If in a class of 40 students,70%of students are girls then what is the number of boys in class?​

Answer 1

Answer:

40*70/100= 28 girls

Step-by-step explanation:

40-28 = 12 boys

Answer 2

Answer:

100-70%=30%

so,

30%of 40

30/100x 40

12 students are boys