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SAT数学考试练习题及解析

2018-04-25 22:11 小马过河 范筱雯

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摘要:SAT数学考试练习题及解析。下面为大家整理的是8道SAT数学练习题的内容,后面都附有详细的答案解析。

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  SAT数学考试是非常注重对考生实际运用知识点能力的考察的,所以大家在备考的时候,一定要多加练习才行。下面我们来看看详细内容吧。

  1.A machine can insert letters in envelopes at the rate of per minute. Another machine can stamp the envelopes at the rate of per second. How many such stamping machines are needed to keep up with inserting machines of this kind?

  Answer Choices

  (A)

  (B)

  (C)

  (D)

  (E)

  1.The correct answer is A

  Explanation

  First you can change minute to seconds so that the ratios are both in envelopes per second. One inserting machine inserts letters at the rate of per seconds, or per second. So machines would insert letters per second.

  Let be the number of stamping machines needed to keep up with inserting machines. Then, since one machine stamps envelopes per second, machines stamp envelopes per second. You can write the equation , which gives .

  2.If 22 times 3 times Q = 6, then Q =

  (A) 1 over 11

  (B) 1 over 10

  (C) 10

  (D) 11

  (E) 20

  以上就是SAT数学考试练习题及解析的相关内容,同学们如果想下载完整版的SAT高频词汇注解,点击下面的下载按钮,即可

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