Question

in 5th class out of 40 students 18 or girls what is the percentage of girls in the class​

Answer 1

✨YOUR ANSWER✨

40 student = boys =

4

3

×40=30

Girls =1/4×40=10

< age boys> =20×30=600

< age girl > =18×10=180

⇒ girls =15 boys=20

< boys> =600/20=30

< girl > =180/15=12