Answer:
Step-by-step explanation:
Five years ago the sum of their ages was 10 less than it is now, so was 33. If Hank was half his sister's age, his age was 1/3 of this total. 5 years ago, Hank was 11 and his sister was 22.
Next year, both will be 6 years older than those ages, so ...
Hank will be 17
Hank's sister will be 28
