Question

In a class of 30 students, 40% are girls, How many boys are there ?​

Answer 1

Answer:

24 boys

If we subtract the number of girls (16) from the number of students in the class (40), we get (40 - 16 = 24). There are 24 boys in the class.

Step-by-step explanation:

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Answer 2

The number of boys = 18

Given :

In a class of 30 students 40% are girls

To find :

The number of boys

Solution :

Step 1 of 2 :

Find the percentage of boys

Here it is given that in a class of 30 students 40% are girls

So the percentage of boys

= ( 100 - 40 ) %

= 60%

Step 2 of 2 :

Find the number of boys

The number of boys

$\displaystyle \sf{ = 30 \times \frac{60}{100} }$

$\displaystyle \sf{ = \frac{1800}{100} }$

$\displaystyle \sf{ = 18}$