Sally is 54 years old and her mother is 80, how many years ago was sally’s mother three times her age?

Presuming both Sally and her mother were born on the same date (n/m) and this calculation was performed on their birthday.

80-54=26

Sally's mother is 26 years older than her.



0:26
1:27
2:28
3:29
4:30
5:31
6:32
7:33
8:34
9:35
10:36
11:37
12:38
13:39 < When Sally's mother was 3 times her age, as 13*3=39



When was Sally's mother 39?

41 years ago, as 80-39=41.

1. 5/82.95% is better than 7/8