Table J.12 The Feast
Janice prepares a medley of pastas for her brother Tony. Each of the pastas must first be rolled and then formed (or in some cases stuffed) before cooking. The required time on each machine in minutes is indicated in the table.

-Janice decides to minimize the average flow time of the pastas using Johnson's rule. How much idle time does the Roller/Former machine experience?
A) none
B) 8 minutes
C) 12 minutes
D) 16 minutes

Question

Table J.12 The Feast
Janice prepares a medley of pastas for her brother Tony. Each of the pastas must first be rolled and then formed (or in some cases stuffed) before cooking. The required time on each machine in minutes is indicated in the table.
 
-Janice decides to minimize the average flow time of the pastas using Johnson's rule. How much idle time does the Roller/Former machine experience?
A) none 
B) 8 minutes 
C) 12 minutes 
D) 16 minutes

Quizplus · Accepted Answer

The Roller/Former machine has an idle time of 8 minutes because it has to wait for the Mixer/Extruder machine to finish processing the pastas before it can start processing them.

Table J.12 the Feast