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Algebra Difficulty 2.0 Junior Find the answer Canada

The heights of 12 boys and 10 girls in a class are recorded. The average height of all 22 students in the class is 103 cm. If the average height of the boys is 108 cm, then the average height of the girls is

(A) $96\text{ cm}$ (B) $97\text{ cm}$ (C) $98\text{ cm}$ (D) $99\text{ cm}$ (E) $100\text{ cm}$

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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.