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.

- algebra -
**Reiny**, Sunday, January 23, 2011 at 3:49pm
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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