问题标题:
一道GRE数学题,求详解Beforebeingsimplified,theinstructionsforcomputingincometaxinCountryRweretoadd2percentofone'sannualincometotheaverage(arithmeticmean)of100unitsofCountryR'scurrencyand1percentofone'sannua
问题描述:

一道GRE数学题,求详解

Beforebeingsimplified,theinstructionsforcomputingincometaxinCountryRweretoadd2percentofone'sannualincometotheaverage(arithmeticmean)of100unitsofCountryR'scurrencyand1percentofone'sannualincome.Whichofthefollowingrepresentsthesimplifiedformulaforcomputingtheincometax,inCountryR'scurrency,forapersoninthatcountrywhoseannualincomeisI

(A)50+I/200

(B)50+3I/100

(C)50+I/40

(D)100+I/50

(E)100+3I/100

沈学会回答:
  我懂了,重新翻译:   简单翻译:国家R的ZF要加税,原来是100块和1%的个人收入的算数平均数,也就是加起来除以2,现在要再加上2%的个人收入.   原来是(100+I/100)/2=50+I/200,然后再加上(I/100)*2=I/50   所以加起来就是50+I/200+I/50=50+I/40   选C
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《一道GRE数学题,求详解Beforebeingsimplified,theinstructionsforcomputingincometaxinCountryRweretoadd2percentofone'sannualincometotheaverage(arithmeticmean)of100unitsofCountryR'scurrencyand1percentofone'sannua|高中数学问答-字典翻译问答网》
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