SOLUTION: A brother is 4 times older than his sister was when she was two times younger than him. How old is the brother and how old is the sister if in 15 years they are going to have 100 y

Question 800099: A brother is 4 times older than his sister was when she was two times younger than him. How old is the brother and how old is the sister if in 15 years they are going to have 100 years together.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A brother is 4 times older than his sister was when she was two times younger than him. How old is the brother and how old is the sister if in 15 years they are going to have 100 years together.
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She can't be "2 times younger..."
1 time younger = zero (0)
2 times younger is negative.

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