Step-by-step explanation:
g(f(3))=g(23)=48
36 girls
step-by-step explanation:
the 48 boys is 4 parts of the ratio
divide 48 by 4 to obtain one part of the ratio
= 12 โ 1 part of the ratio
3 parts = 3 ร 12 = 36 โ number of girls