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December 20, 2014

December 20, 2014

Posted by **Anonymous** on Friday, April 10, 2009 at 8:17pm.

- math -
**Reiny**, Friday, April 10, 2009 at 11:52pmlet the middle brother's age be x

then the oldest is x+1

and the youngest is x-1

x-1 + x + x+1 = 63

solve for x to get middle brother's age.

- math -
**drwls**, Saturday, April 11, 2009 at 4:29pm63 is three times the average age (which is that of the middle brother), so that age much be 21. The ages of all three are therefore 20, 21 and 22.

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