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美国高考ACT数学题(2)

2016-07-18来源: 互联网浏览量:
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  关于ACT数学同学们应该定期进行模拟练习,全面的考题使学生了解所有的题型分布,大量的练习为学生不断提高解题技巧和速度提供了保障。下面我们来看一下美国高考ACT数学题。

  2. Mr. Dietz is a teacher whose salary is $22,570 for this school year, which has 185 days. In Mr. Dietz's school district, substitute teachers are paid $80 per day. If Mr. Dietz's takes a day off without pay and a substitute teacher is paid to teach Mr. Dietz's classes, how much less does the school district pay in salary by paying a substitute teacher instead of paying Mr. Dietz's for that day?

  F. $ 42

  G. $ 80

  H. $ 97

  J. $105

  K. $122

  解析:The correct answer is F. To find Mr. Dietz's pay per day, you can divide his salary, $22,570, by the number of days he works,185. His pay per day is 22570/185, or $122. When Mr. Dietz takes a day off without pay and the school pays a subsititute $80, the school district saves the difference in these amounts, 122-80, or $42.

  正确答案选F。先算出Dietz先生每天的平均工资,用22570除以185(可用计算器),即122美元。再用122美元减去学校需要支付临时老师的费用80美元,即可算出学校结余的费用,为42美元。

  以上就是美国高考ACT数学题的详细内容,非常实用。要想ACT数学成绩有所提高,坚持每天做练习是十分必要的,就像这样每天完成ACT数学题,并进行总结,日积月累,成绩就会有明显地提高。



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