24號考試~SAT OG數學P981第16題!
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)