SOLUTION: A boy is 6 years older than his sister. In 3 years time he will be twice her age. What are their present ages?
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Question 1077819: A boy is 6 years older than his sister. In 3 years time he will be twice her age. What are their present ages?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
Let the sister and brother be s and s+6. Then:
s+6+3=2(s+3)
s+9=2s+6
s=3
The sister is 3; the brother is 9. ☺☺☺☺
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