Question

the number of boys and girls in a class are in the ratio 7:5. the number of boys is 8 more than the number of girls. what is the total number of children in the class?​

Answer 1

Answer:

48

b/g = 7/5

b=g+8

(g+8)/g = 7/5

5g+40=7g

g=20

b=28

b+g=48