There are 15 girls in a class of 27 students. The ratio of boys to girls in this class is
(A) 4:5 (B) 5:3 (C) 3:4 (D) 4:9 (E) 9:5
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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.