Lemma
MediumRatio, proportion & variation
AQuA-RAT train #9457 · Algebra · Ratio, proportion & variation

Three numbers are in the ratio 3:5:7

Three numbers are in the ratio 3:5:7. The largest number is 21. What is the difference between smallest and largest number?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #9457

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