Answer is in document. The problem does make sense to me because how can you compare three difference temperature scales, and this is why I am posting the problem to make sure I am correct. Basically what I did was assumed that the numbers at the bottom corresponded to absolute zero for the given scale then I calculated the difference between the ranges of the scale. If this is correct I believe a general statement can be made here. the boiling point and freezing point of all temperature scales are related assuming all temperature scales are callibrated equally.