CPM Homework Help : AC Problem 5-67

Chi loves to read. He can speed-read $40$ pages in $3$ minutes. How long should it take him to read The Scarlet Letter, a $265$ -page novel?

Hint 1:

Use a proportion if you think that Chi reads $0$ pages in $0$ minutes.
Use an equation if the starting point is not zero.

Hint 2:

Now solve for $x$ .