Question 14
Bình finishes reading a book in four days. The chart shows how many pages he reads each day, but its fourth-day section is torn. The bars are labelled day 1, day 2, day 3 and day 4 from left to right; the vertical axis is the number of pages. On the first day he reads one quarter of the book. How many pages does he read on day 4?
Chart-reading guide: the visible bars for days 1, 2 and 3 reach 45, 50 and 40 pages respectively.

Chart-reading guide: the visible bars for days 1, 2 and 3 reach 45, 50 and 40 pages respectively.
