Maths Olympiad Prep

Library / CEMC Gauss (Grade 7) /163 of 462

CEMC Gauss (Grade 7), 2009

Algebra Difficulty 1.0 Junior Find the answer Canada

The temperature in Vancouver is 22∘22^\circC. The temperature in Calgary is 19∘19^\circC colder than the temperature in Vancouver. The temperature in Quebec City is 11∘11^\circC colder than the temperature in Calgary. What is the temperature in Quebec City?

(A) 14∘14^\circC (B) 3∘3^\circC (C) −8∘-8^\circC (D) 8∘8^\circC (E) −13∘-13^\circC

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.