Comments on: a farmer has 21 pigs and 4 pins he wants an odd number of pigs in each pin how many pigs would be in each pin? http://potbelly-pigs.net/topblog/a-farmer-has-21-pigs-and-4-pins-he-wants-an-odd-number-of-pigs-in-each-pin-how-many-pigs-would-be-in-each-pin Just another WordPress weblog Thu, 09 Sep 2010 20:17:50 +0000 hourly 1 http://wordpress.org/?v=3.0.1 By: William B http://potbelly-pigs.net/topblog/a-farmer-has-21-pigs-and-4-pins-he-wants-an-odd-number-of-pigs-in-each-pin-how-many-pigs-would-be-in-each-pin/comment-page-1#comment-1645 William B Tue, 09 Feb 2010 06:23:46 +0000 http://potbelly-pigs.net/topblog/a-farmer-has-21-pigs-and-4-pins-he-wants-an-odd-number-of-pigs-in-each-pin-how-many-pigs-would-be-in-each-pin#comment-1645 Make 3 pens with 5, 7, and 9 pigs each, then put another big pen around all three pens Make 3 pens with 5, 7, and 9 pigs each, then put another big pen around all three pens

]]> By: billrussell42 http://potbelly-pigs.net/topblog/a-farmer-has-21-pigs-and-4-pins-he-wants-an-odd-number-of-pigs-in-each-pin-how-many-pigs-would-be-in-each-pin/comment-page-1#comment-1646 billrussell42 Tue, 09 Feb 2010 06:23:46 +0000 http://potbelly-pigs.net/topblog/a-farmer-has-21-pigs-and-4-pins-he-wants-an-odd-number-of-pigs-in-each-pin-how-many-pigs-would-be-in-each-pin#comment-1646 sum of 2 odd numbers is always even sum of 2 even numbers is always even so sum of 4 odd numbers is always even, so no solution sum of 2 odd numbers is always even
sum of 2 even numbers is always even

so
sum of 4 odd numbers is always even, so no solution

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