A man lived a fourth of his life as a boy, a fifth as a young man, and a third as an adult. Then he spend 13 years in his old age. How old was he when he died?
1 Answer
Jul 7, 2018
See explanation.
Explanation:
If we denote the total time the man lived as
-
as a boy he spent
x/4x4 years, -
as a young man :
x/5x5 -
as an adult:
x/3x3 -
in his old age:
1313 years.
All the above expressions sum up to the man's total age, so that leads to an equation:
Answer:
The man lived for
