Question

The number of boys and girls in a school are in the ratio of 4:5.If the number of girls is 450 . Find the number of boys​

Answer 1

Step-by-step explanation:

Boys : Girls = 5x : 2x

According to the question

5x - 2x = 450

3x = 450 = x =150

∴∴ Number of students in that school

= 5x + 2x = 7x

7 x 150 = 1050

Answer 2

QUESTION :

The number of boys and girls in a school are in the ratio of 4:5.If the number of girls is 450 . Find the number of boys

ANSWER :

Lets the ratio be, 4x and 5x,

So,

Then no. of girls = 5x = 450

No. of boys = 4x

5x = 450

x = 450/5

x = 90

Therefore, no. of boys = 4x

= 4(90) = 360

FINAL ANSWER : 360