Respuesta :
Answer:
The girl is 23, the mother is 46, and the father is 51.
Step-by-step explanation:
g=m/2
m=f-5
f=?
g+m+f=120
23+46+51
23=46/2
46=51-5
23 is the age of the girl 46 is the age of the mother 51 is the age of the father ! Hope this helped have a blessed fulfilled day.