下面是2013年8月8日的SAT官方每日一题的内容，是关于数学方面的，题型是选择。SAT官方每日一题是collegeboard每天都会发布的题目，关于SAT考试的三个部分的各个题型。大家和无忧小编一起来看一下这个SAT官方每日一题吧。

　　SAT官方每日一题之数学---选择：

　　Mathematics > Standard Multiple Choice

　　Read the following SAT test question and then click on a button to select your answer.

　　For everydollars Ken earns mowing lawns, he givesdollars to his younger brother, Tim, who helps him. Which of the following gives the relationship between, the number of dollars Ken earns, and, the number of dollars he gives to Tim?

　　(A)

　　(B)

　　(C)

　　(D)

　　(E)

　　The correct answer is B

　　Explanation

　　For everydollars Ken earns, he givesdollars to Tim. Thus if Ken earnsdollars and gives Timdollars, the proportionholds. Multiplying both sides of this proportion bygives.

　　下面为大家提供一些和这些SAT官方每日一题相似的题目，供大家练习：

　　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? 

　　(A)

　　(B)

　　(C)

　　(D)

　　(E)  

　　The correct answer is D

　　Explanation

　　Let equal the population of Norson, and let equal the entire population of Transitania. Then is the population of the rest of Transitania. is of . 

　　, or .

　　This gives , or . 

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

　　以上就是关于2013年8月8日SAT官方每日一题中数学部分的详细内容，包括了题目和选项以及答案，后面附有一道相关的练习题。大家可以在备考SAT的过程中关注SAT每日一题的内容，这样就可以更好有不间断的练习，也就能在日积月累的过程中得到提高。