Question

In a school 70% of the students are boys and the rest of them are girls number of girls is 120 find the total number of students and the total number of girls

Answer 1

Answer:400

Step-by-step explanation: Let the total students in school be y

70% of boys=70/100*y

girls%=100%-70%=30%

30% of y =120

30y/100=120

y=120*100/30

y=400

Hence, total students equal to 400.

Answer 2

Answer:

Solution;

Let the total number of boys be x.

70 ÷ 120 ×100

=58

Therefore the total no. of boys is 58

120+58

=178 student are there in total