Question

there is 60℅girls in a class. If total number of girls is 690 then how many students in the class. And find the number of boys in the class.

Answer 1

Answer:

Here is the answer

Step-by-step explanation:

Girls - 60%

so boys-

100-60= 40%

Let the total number of students be x

60% of x = 690

690×100

_______ = x

60

x=1150

Boys= 1150 - 690

=460 boys

Answer 2

Answer:460 boys

Step-by-step explanation:Let the total no. of students in class be x

Girls=60x/100

Now,equilate the values

60x/100=690

x=1150

No. of boys will be=1150-690

=460