Question 722702
So, lets first solve for your Kid sister.
1/2 of 4 is 2. It is 96 years later (96+4=100)
So, 2+96= 98.
Your kid sister is 98 years old.

Now lets solve for your Baby Sister.
1/4 of 4 is 1.
It is 96 years later (96+4=100)
So, 96+1=97
Your baby sister is 97 years old.