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posted by Joshua on Sunday, January 23, 2011 at 3:46pm.
Find all sets of two consecutive positive odd integers whose sum is less than or equal to 18.
let the two consecutive odd numbers be x and x+2 x + x+2 < 18 2x < 16 x < 8 so 1,3 ; 3,5 ; 5,7 ; 7,9
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