Answer:
Jack reads 4 pages per hour faster than Dave
Explanation:
Dave's reading rate is 3/5 of a page per minute. To convert this to pages per hour, we can multiply by the number of minutes in an hour (60):
(3/5) pages per minute × 60 minutes per hour = 36 pages per hour
40 pages per hour - 36 pages per hour = 4 pages per hour
So, Jack reads 4 pages per hour faster than Dave.