AQuA-RAT train #83172 · Algebra · Ratio, proportion & variation
A movie buff buys movies on DVD and on Blu-ray in a…
A movie buff buys movies on DVD and on Blu-ray in a ratio of 17:4. If she returns 4 Blu-ray movies, that ratio would change to 9:2. If she buys movies on no other medium, what was the original number of movies purchased?
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #83172
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