一道头晕的SAT1数学题~A grocery customer spent a total of $9.06 for ground beef and coffee.The coffee cost 2 times as much per pound as the ground beef,and the customer bought 3 times as many pounds of ground beef as pounds of coffee.How much,
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求解一道SAT1的数学题
SAT1的数学题
一道头晕的SAT1数学题~A grocery customer spent a total of $9.06 for ground beef and coffee.The coffee cost 2 times as much per pound as the ground beef,and the customer bought 3 times as many pounds of ground beef as pounds of coffee.How much,
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