Lemma
MediumRatio, proportion & variation
AQuA-RAT dev #103 · Algebra · Ratio, proportion & variation

1 year ago, Promila was 4 times as old as her daughter…

1 year ago, Promila was 4 times as old as her daughter Jenilia. In 6 years, Promila's age will exceed her daughter’s age by 9 years. The ratio of the present ages of Promila and her daughter is :

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · dev #103

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