1. The problem statement, all variables and given/known data Find five numbers for which the pair sums are equal to 0,2,4,5,7,9,10,12,14,17 2. Relevant equations nothing. 3. The attempt at a solution First, pair sums means sum of 2 numbers, right? I just need a heads start on this one. I don't know how to get started. Just give hints please. No full solutions. Thanks.