Puzzle in Chapter 7, Q7

[YinhaoHu]

For the wors-case, the quantum length might be longer than every job's length, in this case, the average response time might be
Sum(job[i].turnaround-time - job[0].turnaround-time)/n (i: 0~n-1), which would be approve by
python ./scheduler.py -p RR -q 100 -l 50,50 -c
How would you like that?

[xxyzz]

Thanks! I update the answer in b2614bf.