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代数应用题!Theprofitsmadebysellingahamburgerandacanofsoftdrinkare$xand$yrespectively.If28hamburgersand20cansofsoftyesterday,whatwasthetotalprofitmade?

题目详情
代数应用题!
The profits made by selling a hamburger and a can of soft drink are $x and $y respectively.If 28 hamburgers and 20 cans of soft yesterday,what was the total profit made?
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答案和解析
28$x+20$y
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