Library / /70 of 213

, 2018

Algebra Difficulty 1.3 Junior Find the answer Canada

Rich and Ben ate an entire chocolate cake. The ratio of the amount eaten by Rich to the amount eaten by Ben is $3:1$ . What percentage of the cake did Ben eat?

Pick one

Solution

Since $x=4$ , then $y=3\times4=12$ .

Want a route through all this instead of an archive? The track puts 2,444 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.