Question 701145: When I was 4 years old my sister was half of my age.
Now I am 100 years. How old is my sister?
Answer by Simnepi(216)   (Show Source):
You can put this solution on YOUR website! 'When I was 4 my sister was half my age'
So 'my age' = 4, 'my sister's age' = 2.
The difference in our ages is 2 years,
So, when I am 100 my sister will be 2 years younger than me.
My sister is 98 years old.
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