SOLUTION: When I was 2 years old, my sister was half of my age. Now I'm 80 years old, how old is my sister?

Question 677536: When I was 2 years old, my sister was half of my age. Now I'm 80 years old, how old is my sister?
Found 2 solutions by jim_thompson5910, partha_ban:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
"When I was 2 years old, my sister was half of my age"

means that your sister was 1 (since 1 is half of 2)

Fast-forward 78 years and you are now 80 years old. So your sister is now 1+78 = 79 years old.
Answer by partha_ban(41) (Show Source): You can put this solution on YOUR website!
When I was 2 years, age of my sister = = 1 year
So, my sister is 2 - 1 = 1 year younger than me.
Now my age is 80 years.
So, my sister's age is = 80 - 1 = 79 years.
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