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Brother of Ages (Posted on 2006-07-03) Difficulty: 1 of 5
If I was 7 when my sister was 16 and my brother was 8 when she is 19 how many more years will it take my brother to reach 21 when I'm 13?

No Solution Yet Submitted by Rachael    
Rating: 3.0000 (3 votes)

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Solution Short | Comment 2 of 8 |
I am 9 years younger than my sister, and my brother is 11 years younger than her, so he is two years younger than me. When I'm 13, I'll need 8 years to reach 21, so he'll require two years more: TEN YEARS.
  Posted by Old Original Oskar! on 2006-07-03 11:54:51
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