Can someone help me with the Data Sufficiency problem 91 from OG11
says the solution is E. However, I think it should be C.
%age=(Income 80 – Income70)/Income70
1 – Income70=(2/3)*IncomeCountryX (Not sufficient)
2 – Income80=(1/2)*IncomeCountryX (Not sufficient)
%age=[(1/2)*IncomeCountryX - (2/3)*IncomeCountryX]/ (2/3)*IncomeCountryX = [(1/2)-(2/3)]/(2/3)
Therefore, 1+2 are sufficient. Answer C
Where is my error?
Thanks a lot
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