CEMC Pascal, 2010

Algebra Difficulty 1.0 Junior Find the answer Canada

The diagram shows a circle graph which shows the amount of homework done each day by Mr. Auckland's Grade 9 class. Based on the circle graph, what percentage of students do at least one hour of homework per day?

(A) $25\%$ (B) $33\%$ (C) $50\%$ (D) $67\%$ (E) $75\%$

Figure for this problem

We don't reproduce this publisher's solutions. Their own solution is here — work the problem first.

Want a route through all this instead of an archive? The track puts 2,604 problems in a working order, from Junior Challenge level to the IMO shortlist.

Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.