It takes 5 seconds to print one page. Reports of 14, 23, 25, 23, 21, 10, 20, 24, 19, 15, 23, 11, 21, 22 and 15 pages are to be printed.

(a) How many printers would be required, using the worst-fit algorithm, to guarantee that all reports are printed in 5 minutes or less?
Answer:

(b) How many printers would be required if the next-fit algorithm were used?
Answer: