A recipe calls for 421 cups of flour. If you only make half of the recipe, then how many cups of flour do you need?
(A) 221 (B) 241 (C) 9 (D) 2 (E) 243
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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.