10 composers type a book of 75 pages in 5 days. In how many days would the same composers type a book of 45 pages?

10 composers type a book of 75 pages in 5 days. In how many days would the same composers type a book of 45 pages?

Explanation

If 10 composers type a 75-page book in 5 days, their rate is:

75 pages / 5 days = 15 pages per day

For a 45-page book:

45 pages / 15 pages per day = 3 days