A math question......

[Drince88]

Originally Posted by blueerica

I think I made that more complicated than it needed to be.

Yes - but you did make me smile. My Mom's theory of practical math is that everything that isn't simple arithmetic can be expressed in a ratio problem. And I've found very few examples where that wasn't true. Most of what I do know is making units cancel, which is another way of looking at ratios!