Answer:
"Helmuth is three." "Hans is eight." "Gerhard, who is seven."
Step-by-step explanation:
This question is about "The Boy who dared"
The above selected phrase shows that there is a certain difference in Helmuth's age in relation to his brothers. This age difference shows the difference in maturity between them, as it is common that the younger the immature, since maturity is gained with experience and experience is gained with experience.
Helmuth is five years younger than Hans, who shows him that Hans is more mature. While Hans and Gerhard are only a year apart, it is likely that Hans is more mature, as he is older.