The ratio of the number of boys to the number of girls in a theater is 7:9. There are 12 More girls than boys in the theater. How many children are in the theater?

Answer 1

b/g = 7/9

g-12 = b

so
(g-12)/g = 7/9
9(g-12) = 7g
2 g = 108
g = 54
b = 42
sum = 96

Answer 2

This isnt helpful at all, i need the answer without letters in the numbers!