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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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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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,
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,in dollars,did the customer spend on coffee?
不麻烦高手们帮我翻译了,题目我想我应该看懂了.问题是题目并没有告诉我那个customer究竟买了几pound的coffee或者是beef啊,那若是这样的话能解得出来么?

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,
能做出来
你设牛肉的价格为x,咖啡的价格不就是2x吗
你再设咖啡的重量为y,则牛肉的重量是3y.
2xy+3xy=9.06（价格X重量=总钱数）
可以解出来xy=1.812
而咖啡一共买了y,单价是2x,一共是2xy.不就是2乘以1.812=3.624 $ 吗
你注意他的问题 他是问你花在咖啡上面的钱是多少,而不是要你求单价和重量

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