Question

Philip had already read 15 books this year before joining a book club, and he plans to read 4 books every month now that he has joined. If Philip has read 23 books so far, how many months has he been with his book club?

Answer 1

2 months

Explanation:

23 - 15 = 8 (you subtract the total with the amount he read before joining the book club)

8/4 = 2 (divide the books read by four since that's how much he read per month)