1. The problem statement, all variables and given/known data Two mail carriers meet on the route and have a conversation A: You have three sons. How old ar ethey? B: if you multiply their ages, the result will equal your age A: That's not enough to tell me the answer! B: the sum of these three numbers equals the number of windows in that building. A: But it's still not enouhg! B: My middle son is red-haired A: Ah, now it's clear!" How old are the sons? 2. Relevant equations None 3. The attempt at a solution I tried just plugging a bunch of three setted numbers but i just don't know what the hell i'm tryin to go for. I can deduce from the red-haired part that there are no twins at all in the three kids so the numbers have to be unique but besides that I've gotten nowhere!