单项选择题

when of a certain number is added to the number and this sum is subtracted from108．the result is the original number．What is the original number？（）

A. 35
B. 45
C. 54
D.
E. 270

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单项选择题

At 9:00 a．m．train T 1eft the train station and two hours later train S left the same station on a parallel track． If train Taver aged 60 kilometers per hour and train Saver aged 75 kilometers per hour until S passed T．at what time did S pass T？（）

A、2:00P.m
B、5:00p.m
C、6:00P.m
D、7:00p.m
E、9:00P.m

单项选择题

If 8，750 pairs of shoes are represented in the pictograph above，how many pairs of shoes does each represent？（）

A. 350
B. 700
C. 730
D. 830
E. 1，400

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