Solutions (continued)
16. The distances are ranked as:
A, B 20 ft.
All other neighbour pairs 40 ft.
All pairs next to neighbours 60 ft.
. .
. .
. .
Assign 3,5 as close as possible. The next highest number of trips is between 2 and 6. There are many choices: C, D, E, F.
 
The next highest number of trips is between 1 and 4. So:
The next highest number of trips is between 4 and 6. This narrows the choices to:
The next highest number of trips is 1 and 5. This fixes all departments:
17. Because the opposite trip needs to go around the hall, complementing it, and because the distance of going around the hall is the same, it follows that a reasonable approach ill use the absolute value of difference between loads in the opposite direction.
(Difference
in loads)
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