Scheduling
The local car wash has five cars waiting to be washed and waxed. The time required in minutes for each activity is given below.
| Car |
Washing |
Waxing |
| 1 |
12 |
9 |
| 2 |
5 |
5 |
| 3 |
9 |
7 |
| 4 |
10 |
11 |
| 5 |
7 |
7 |
Part a In what order should the cars be processed through the facility that is the most efficient overall?
Part b How long from start to finish will it take to complete the processing the five cars?
Part c How much idle time was incurred by the washing process?
Part d How much idle time was incurred by the waxing process?