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
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