The numbers $1,$ $2,$ $\dots,$ $10$ are to be entered into the 10 boxes shown below, so that each number is used exactly once: \[P = (\square + \square + \square + \square + \square)(\square + \square + \square + \square + \square).\]What is the maximum value of $P$? What is the minimum value of $P$?
This has been answered multiple times in the last few months ....do a search for it for the methodology and answers...
https://web2.0calc.com/questions/ok-i-still-need-help