jack can read 45 pages of his book in one and half of hour. at the rate, how long will it take him to read the entire books 300 pages book?

first find out how many times 45 goes into 300. 6 times fully but theres still pages left over (270) so 9 hours for 270 pages.

Second find out how many miutes are left, (30) and find out how many minutes it takes to read 1 page (2 minutes) so the remaining time will be 30 times 2 whihc is 1 hour

10 hours