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2012年12月10 SAT官方每日一题
考试类型: Mathematics > Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
Milk costs 
cents per half-gallon and 
cents per gallon. If a gallon of milk costs 
cents less than 
half-gallons, which of the following equations must be true?
A. 
B. 
C. 
D. 
E. 
