SOLUTION: A girl is 15 years old, her brother is twice as old. When the girl is 25 yeard old , what will be the age of the brother?
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Question 771163: A girl is 15 years old, her brother is twice as old. When the girl is 25 yeard old , what will be the age of the brother?
Answer by Jc0110(165) (Show Source): You can put this solution on YOUR website!
= 2 x = 2 x 15 = 30
When the girl is 25, it'll be 10 years later.
= 30 + 10 = 40
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