A private car maintenance centre operates a two-step process for car maintenance. Tomorrow's work will consist of inspecting seven cars as shown below. Time (hours) Order Step 1 Step 2 А 1.20 1.40 B 0.90 1.30 2.00 0.80 D 1.70 1.50 E 1.60 1.80 F 2.20 1.75 G 1.30 1.40 a. Determine a job sequence that will minimize the time required to completion. b. Describe the advantage of forward and backward scheduling, and its impact to productivity.

Practical Management Science
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Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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A private car maintenance centre operates a two-step process for car maintenance. Tomorrow's
work will consist of inspecting seven cars as shown below.
Time (hours)
Order
Step 1
Step 2
A
1.20
1.40
В
0.90
1.30
C
2.00
0.80
D
1.70
1.50
E
1.60
1.80
F
2.20
1.75
1.30
1.40
a. Determine a job sequence that will minimize the time required to completion.
b. Describe the advantage of forward and backward scheduling, and its impact to productivity.
Transcribed Image Text:A private car maintenance centre operates a two-step process for car maintenance. Tomorrow's work will consist of inspecting seven cars as shown below. Time (hours) Order Step 1 Step 2 A 1.20 1.40 В 0.90 1.30 C 2.00 0.80 D 1.70 1.50 E 1.60 1.80 F 2.20 1.75 1.30 1.40 a. Determine a job sequence that will minimize the time required to completion. b. Describe the advantage of forward and backward scheduling, and its impact to productivity.
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