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ZX-BE6E11CCE7Systems of two linear equations in two variables · 第 15 题
Systems of two linear equations in two variables · 原库模块 1 · Q15 原库参考解析
Store A sells raspberries for $5.50 per pint and blackberries for $3.0 per pint. Store B sells raspberries for $6.5 per pint and blackberries for $8.00 per pint. A certain purchase of raspberries and blackberries would cost $37.00 at Store A or $66.00 at Store B. How many pints of blackberries are in this purchase?
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