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2012年12月25 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.
A woman drove to work at an average speed of 
miles per hour and returned along the same route at 
miles per hour. If her total traveling time was 
hour, what was the total number of miles in the round trip?
A.
B. 
C. 
D.
E.
