Question

3/5 of a class of 45 are boys.Find the number of girls

Answer 1

Step-by-step explanation:

아니오. 반 학생 중 X가됩니다.

A / Q, 3 / 5X = 45

= X = 45x 5/3

= X = 75.

따라서 남아 수 = 75-45=30.

Answer 2

Step-by-step explanation:

$Number of boys=45 \times \frac{3}{5} \\ = 27 \ \\ number \: of \: girls = 45 - 27 \\ = 18$