Estimate the Optima minimize 7x1+x2+ 5c3 VI subject to y1 T2 十33 ≥ 10y1 + + V2 5x1+ 2c2 T3 ≥ 6y2 x1,2,x3≥0 10y1+6y2≤ OPT for any 41 5y2 7 -y1 + 2y2 ≤ 1 91,y2≥0 3y1 y2 ≤ 5Estimate the Optima minimize 7x1 + x2 + 5x3 subject to ≤ OPT x1 ￾ x2 + 3x3 ⇥ 10 5x1 + 2x2 ￾ x3 ⇥ 6 x1, x2, x3 ￾ 0 + + ≤ y1 y2 y1 y2 10y1 + 6y2 for any y1 + 5y2 ⇥ 7 ￾y1 + 2y2 ⇥ 1 3y1 ￾ y2 ⇥ 5 y1, y2 ￾ 0