SOLUTION: when I was 4 years old my sister was half my age. now i am 100 years, how old is my sister?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: when I was 4 years old my sister was half my age. now i am 100 years, how old is my sister?      Log On


   

Question 1107594: when I was 4 years old my sister was half my age. now i am 100 years, how old is my sister?
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!
98
——
4 / 2 = 2 so there is a 2yr difference in ages, and that difference is a constant.