AQuA-RAT train #34263 · Arithmetic · Decimals & percentages

One filter decreases the concentration of harmful substances in water by half

One filter decreases the concentration of harmful substances in water by half. If water that contains less than 0.1 percent of harmful substances is considered clean, how many filters are required to clean 200 liters of water containing 0.5 liters of harmful substances ?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #34263

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