※ 引述《chilis (chilis)》之銘言：
: Q12:
: A certain dealership has a number of cars to be sold by its salespeople.
: How many cars are to be sold?
: (1) If each of the salespeople sales 4 of the cars, 23 cars will remain
: unsold.
: (2) If each of the salespeople sales 6 of the cars, 5 cars will remain
: unsold.
: ---------------------------------------------------------------------
: Answer: C
: 請指教^^
(1)跟(2)單獨一定不夠
如果兩條件並列，設共有x位銷售人員
4x+23=6x+5，解x=9
車輛數為59，故兩條件並列可以得解
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