Message-ID: <CF792CC75CBF4F52A8DD2F80E670924B@ccePC>
Date: 2012-02-22T12:49:05Z
From: Silvano
Subject: Challenge
Hi,
I have the following equation:
x1 + x2 + x3 - 2(x4 + x5 + x6) + 3(x7) = N
each x_i can take any value: 1, 2, 3, 5, 6, 10, 15 or 30 and
each one is different from each other.
Which combination of values ??in the formula which leads to
the smallest value of N?
How can I program this situation?
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Silvano Cesar da Costa
Departamento de Estat?stica
Universidade Estadual de Londrina
Fone: 3371-4346