Lemma
MediumRatio, proportion & variation
AQuA-RAT train #2751 · Algebra · Ratio, proportion & variation

The ratio between the present ages of A and B is 6:3…

The ratio between the present ages of A and B is 6:3 respectively. The ratio between A's age 4 years ago and B's age 4 years hence is 1:1. What is the ratio between A's age 4 years hence and B's age 4 years ago?

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 #2751

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