Five members of an obesity club want to know how much they have lost or gained weight since the last time they met. To do this, they carry out a weighing ritual where each one is weighed on ten...

Five members of an obesity club want to know how much they have lost or gained weight since the last time they met. To do this, they carry out a weighing ritual where each one is weighed on ten different scales in order to have a more accurate average of their weight. If there is a positive difference between this average weight and the weight of the last time they met, it means that they gained weight. But if the difference is negative, it means that they lost weight. What the problem requires is that for each person a sign is printed that says "went up" or "under" and the amount of pounds