For the linear program: Min   7A + 6B s.t.             5A + 4B ≥ 25     3A + 2B ≥ 15         4B ≤ 10         A, B ≥ 0

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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For the linear program:

Min

 

7A

+

6B

s.t.

       
   

5A

+

4B

25

   

3A

+

2B

15

       

4B

10

       

AB

0

  1. Write the problem in standard form.

Max or Min

___A

+

___B

+

__S1

+

___S2

+

____S3

 

 

St

 

 

 

 

 

 

 

 

 

 

 

 

___A

+

___B

-

___S1

 

 

 

 

>=, <=, =

_____________

 

___A

+

___B

 

 

-

___S2

 

 

>=, <=, =

_____________

 

 

 

___B

 

 

 

 

+

_____S3

>=, <=, =

_____________

 

 

 

 

 

 

 

 

 

 

>=, <=, =

_____________

 

  1. What is the optimal solution?

    The optimal solution is A=____________  , B = ____________-
  2. What are the values of the slack and surplus variables?

    S1=   ____________

    S2 =  ______________

    S3 =   _____________
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