Posted by deni on Monday, June 25, 2012 at 8:49pm.
When he was 17 her sister was 34 so when he is 23 which is 6 years later her sister would be 34+6 which is 40 years old
17 * 2 = 34 >> present age of sister
23 - 17 = 6 >> years from now
6 + 34 = ?
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