大师作文网24号考试~SAT OG数学P981第16题!
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24号考试~SAT OG数学P981第16题!
TO celebrate a colleague gratuation,the m cowworkers in an office agreed to contribute equally to a caterred lunch that costs a total of y dollars .if p of the cowwokers fail to contribute ,which of the following represents the additional amount ,in dollars ,that each of the remaining cowworkers must contribute to pay for the lunch?
A y\m
B y\(m-p)
C py\(m-p)
D y(m-p)\m
E py\m(m-p)
TO celebrate a colleague gratuation,the m cowworkers in an office agreed to contribute equally to a caterred lunch that costs a total of y dollars .if p of the cowwokers fail to contribute ,which of the following represents the additional amount ,in dollars ,that each of the remaining cowworkers must contribute to pay for the lunch?
A y\m
B y\(m-p)
C py\(m-p)
D y(m-p)\m
E py\m(m-p)
选E,原来每个人要付y/m元,后来每人要付y/(m-p)元,后面的减去前面的,通分,变成答案E