Question

45 students In a class and 3/5 of them are boys how many girls​

Answer 1

Answer:

18.

Step-by-step explanation:

Total students = 45

Composition of boys = 3/5

Number of boys =

$45 \times \frac{3}{5} \\ \\ = 9 \times 3 \\ \\ = 27$

No. of girls = Total - no. of boys

= 45 - 27

= 18

Hope it helps.

Answer 2

Answer:

total number of students =45

boys in class(fractional value)= 3/5

3/5 of 45= 3/5× 45

= 27

girls in class = total students - no of boys

=45-27

=18

therefore there are 18 girls in the class