【SAT官方每日一题】7/8/12 Mathematics > Standard Multiple Choice

滚吧肥汤圆UID: 3272378

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& C6 F( H$ _2 p1 dRead the following SAT test question and then click on a button to select your answer.

The population of Norson, the largest city in Transitania, is  percent of the rest of the population of Transitania. The population of Norson is what percent of the entire population of Transitania?

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A.  
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  s/ y: _, u% T, Z& eD.  

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正确答案:D

$ d0 b/ D* K2 o解析:
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8 Z, {5 C# w/ q+ uLet equal the population of Norson, and let equal the entire population of Transitania. Then  is the population of the rest of Transitania.
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! X+ ]+ @4 ]- N4 K6 X. I# U , or .
/ B; z. h# I/ a; E) s+ uThis gives ,or .

So the population of Norson is one third, or , of the entire population of Transitania.
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