Pivot once about the circled element in the simplex tableau, and read the solution from the result. 
A. x1 = 50, s2 = 200, s3 = 300, z = 100; x2, x3, s1 = 0
B. x1 = 50, z = 100; x2, x3, s1, s2, s3 = 0
C. x1 = 50, s2 = 200, z = 100; x2, x3, s1, s3 = 0
D. x1 = 50, s3 = 300; x2, x3, s1, s2 = 0
Answer: B
Mathematics
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