sat 史上最難最崩潰的題目.關(guān)鍵是我看不懂
看題：
Barb's motor scooter has a 2-gallon gas tank and can travel "m" miles on 1 gallon of gas.If gas costs $1.25 per gallon and Barb spends "d" dollars to fill the tank; which of the following represents the amount of gas,that was in the tank before she filled it?
選項(xiàng)：
A:2/1.25
B:(d/1.25) -2
C:2- (d/1.25)
D:2- (md/1.25)
E:2- {(m/d)/1.25}
別和我說排除法~
用了個(gè)很驚悚的題目,見諒
感謝回答的所有人