Respuesta :

24 the answer is 24 

(just because i dont have enough characters soooooo LOLOLOLOLOL)
If sons age is x years then fathers = x + 30

after 10 years ,   we have the equation

x + 10 + x + 30 + 10 = 64
2x = 64 - 50 = 14
x = 7

So right now the son is 7 years old and the father is 37.