Question

There are 30 Students in a class
40% are boys and the rest are
girls. Find the number of
girls​

Answer 1

Answer:

no.of students = 30

boys = 40%

girls = 100% - 40 %

= 60 %

no.of.girls = 60% × 30

= 60/100 ×30 (canceling the zeros from numerator and denominator)

= 6 × 3

= 18

no.of.girls = 18

Step-by-step explanation:

I have explained above

Answer 2

Answer:

There are 18 girls and 12 boys

Step-by-step explanation

Total number of students=30

40% are boys, so (100%-40%), that is 60% are girls.

           60% of total students are girls

           $\frac{60}{100}*30$

           $\frac{1800}{100}$

And this will be equal to 18.

Therefore, there are 18 girls in the class.

If you want to know the number of boys, we have to do (30-18) which would give 12 boys.

Hope it helps.....

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