Question

a print shop printed and assembled 8 books in 5 minutes. At this rate how many books can be printed and assembled 3 hours?

Answer 1

5 min * 12 = 60 min = 1 hr * 3 = 3 hrs
8 * 12 = 96 * 3 = 288

288 Books can be assembled in 3 hrs

Answer 2

288 books.
8 books in 5 minutes.
60 minutes in one hour.
5 * 12 = 60
60 minutes * 3 = 3 hours
8 * 12 = 96
96 books in one hour.
96 * 3 = 288
288 books in three hours.