2. Relaxed solution: x1 = 5.71, Z = 17.13
b. Relaxed solution: x1 = 10.5, x2 = 23.7, Z = 1,473
x1 = 5, x2 = 1.67, Z = 25 Relaxed solution: x1 = 10.8, x2 = 23, s1 = 2.6
x1 = 6, s1 = 2, Z = 18
Relaxed solution: x1 = 10, x2 = 24.5, s2 = 4 1 17.13
x1 ≤ 5
2 25
x1 ≥ 6
1 1,473
x 1 ≤ 23
3 18
2 1,460
x 1 ≥ 24
3 1,460
3. a.
The rounded down solution would not be optimal. 4. a.
b.
Relaxed solution: x1 = 6, x2 = 3.2, s2 = 4.8,
Z = 2,720