Question

the number of girls and boys are in ratio 5:4. The number of girls is 6more than the number of boys what is the total class strength​

Answer 1

Answer:

let 5:4 be 5x:4x

5x+4x=180

9x=180

x=9/180

20 students

Answer 2

Step-by-step explanation:

Let the number of girls and boys be 5x and 4x respectively

Then A.T.Q

5x-4x=6

x= 6

No.of girls=6*5=30

No.of boys =6*4=24

Total strength= 30+24= 54