Question

the total no of boys is 90 ,and the number of total student is 150 ... tr the ratio of girls to boys, boys to whole class, whole class to girls

Answer 1

Step-by-step explanation:

Total no. of boys = 90

Total students= 150

So, Total no. of girls = 150-90 = 60

So ratio of girls to boys = 60/90= 2/3= 2:3

So, ratio of boys to whole class = 90/150 = 3/5 =3:5

So, ratio of whole class to girls= 150/60= 5/2 = 5:2

Answer 2

Answer:

kindly refer to attachment for full solution.