Answer:
He would have had £1000 when he is 37 years old
Step-by-step explanation:
Harry starts saving £50 annually from his 18th birthday
We would save £1000 after
(1000/50) years = 20 years
Since is 18th birthday is the first of the 20 years and Therefore will will save £950 for the next 19 years, which is
18 + 19 = 37 years old