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$\max 6t_1 + 4t_2$

$-t_1 + t_2 \leq 6$

$t_1 - t_2 \leq 1$

$t_1 - 2t_2 \leq 8$

$t_1, t_2 \geq 0$

Anyone?

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    Do you know how the simplex method works? Starting with $t_1 = t_2 = 0$, it shouldn't take more than a few iterations.2011-12-15
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    draw a picture of the inequalities to see they define an unbounded region2011-12-15
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    In particular, note that if $t_1-t_2\leq 1$ and $t_2\geq 0$, then $t_1-2t_2\leq 1< 8$ so the condition $t_1-2t_2\leq 8$ is redundant.2011-12-15

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