Respuesta :
s = 3h
s = 10 +2h
3h = 10 + 2h
h = 10
s = 3 × 10
s = 30
sam is 30 years old, and Harry is 10 years old
s = 10 +2h
3h = 10 + 2h
h = 10
s = 3 × 10
s = 30
sam is 30 years old, and Harry is 10 years old