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The numbers 1, 2, 3....10 are to be entered into the 10 boxes shown below, so that each number is used exactly once:
What is the maximum value of P? What is the minimum value of P?

 

\(​​​​P = (\square + \square + \square + \square + \square)(\square + \square + \square + \square + \square).\)

 Jul 29, 2020
 #1
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I found the maximum using a parabola but dont know how to find the minimum.

 Jul 29, 2020

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