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求助英文解答题--强人来
一个英文图表:Actuarial table:frequency of driver accidents中内容是:
Age range Accidents per year Accidents per million kilometres
Men Women Men Women
18-22 0.28 0.16 24 27
How many kilometers approximately does the average 18-22 year old woman drive per year?
A) 4,884 km B) 4,929 km C) 5,246 km D) 5,624 km E) 5,926 km
最后答案是E,百思不得其解,请强人帮助,感激不尽
人气:440 ℃ 时间:2020-06-30 06:46:31
解答
accident/year除以accident/kilometer等于kilometer/year
但条件给出的是accident/million kilometers,所以要把27换算成0.000027
0.16除以0.000027等于5925.9,约等于5926
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