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3. There are three warehouses (1, 2, 3) and three markets (A,B,C). The supplies and demands of the warehouses and markets are
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Answer #1

a)

Linear program is following:

Let Xij = quantity to be shipped from warehouse i to market j

Min 6X1A+8X1B+10X1C+7X2A+11X2B+11X2C+4X3A+5X3B+12X3C

s.t.

X1A+X1B+X1C=150

X2A+X2B+X2C=175

X3A+X3B+X3C=275

X1A+X2A+X3A=200

X1B+X2B+X3B=100

X1C+X2C+X3C=300

Xij >= 0

b) Solution using LINGO is following:

Lingo 17.0 Solution Report Lingol File Edit Solver Window Help 23Solution Report Lingo Lindo Model Lingol Global optimal solu

The solution is written in a table as below:

A B C
1 0 0 150
2 25 0 150
3 175 100 0

Total Cost = 4525

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