Question #114890
1.4 Given the constraints (10) A+B + C <= 24, B +C >=8 and A >= 0, B >= 0, C>=  0. Maximize 24-A-B - C A: amount of time spent on school work B: amount of time spent on fun C: amount of time spent on pay work
1
Expert's answer
2020-05-10T12:33:56-0400

Maximize Z=24ABCZ=24-A-B-C

subject to,

A+B+C24B+C8A,B,C0A+B+C \le 24\\ B+C\ge8\\ A,B,C\ge0


for simplex calculation,


Maximize Z=24ABC+0S1+0S2MA1Z=24-A-B-C+0S_1+0S_2-MA_1

subject to,

A+B+C+S1=24B+CS2+A1=8A,B,C,S1,S2,A10A+B+C+S_1 = 24\\ B+C-S_2+A_1=8\\ A,B,C,S_1,S_2,A_1\ge0


iteration 1


iteration 2

answer is ,

A=0,B=8,C=0Zmax=24080=16Zmax=16\bold{A=0,B=8,C=0}\\ Z_{max}=24-0-8-0=16\\ \bold{Z_{max}=16}

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