I had not thought of that, 10 year old scrtrys.
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Excellent discussion. But how about suggesting the reword og the problem to make it a feasible one? May be accepring the condition of possible use of three stalls by each child and no limitation of collective stall use as alredy proposed here by "a solver".
Last edited by Fullerene (2014-07-19 00:49:41)