Question

14. The numbers of girls and boys in a
class are in the ratio 5:4. The number
of girls is 6 more than the number of
boys. What is the total class strength ?​

Answer 1

Answer:

54

Step-by-step explanation:

The numbers of girls and boys in a

class are in the ratio 5:4

let the number of girls is 5a. then the number of boys is 4a

given, 5a = 4a + 6

=> 5a - 4a = 6

=> a = 6

total class strength = 5a + 4a = 9a = 9×6 = 54