Identify relevant information, ignore distractors, and choose an appropriate operation or representation for a contextual problem.
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Problem
A stand needs total money collected from drink sales only. It sold \(36~\text{waters}\) at \(\$2\) and \(18~\text{sports}~\text{drinks}\) at \(\$3\); the coach arrived at \(4:15~p.m.\), and the cash box started with \(\$40\). Classify the facts as relevant, irrelevant, or missing.
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