SOLUTION: the difference between a girl and her younger sister is 4 years. the younger sister in turn is 4 years older than her brother.the sum of ages of the younger sister and brother is 1

Question 1011568: the difference between a girl and her younger sister is 4 years. the younger sister in turn is 4 years older than her brother.the sum of ages of the younger sister and brother is 16. how old are the three children?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let younger sister's age =
Her older sister's age is
The brother's age is
The younger sister plus brother's age =
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and

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The younger sister is 10
Her older sister is 14
The brother is 6
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