Lemma
MediumRatio, proportion & variation
AQuA-RAT train #47012 · Algebra · Ratio, proportion & variation

The ratio of the age of a gentleman and his wife is…

The ratio of the age of a gentleman and his wife is 4 : 3. After 4 years this ratio will be 9 : 7. If at the time of their marriage the ratio was 5 : 3, how many years ago they were married?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #47012

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