The salary of a person was reduced by 10%. By what percent should his
reduced salary be raised so as to bring it at par with his original salary?	Pick one.
A) 10 % B) 11 1 / 9 % C) 13 2 / 7 % D) 15 3 / 11 % E) 12 1 / 3 %

Rationale: "let the original salary be $ 100 new salary = $ 90 increase on 90 = 10 increase on 100 = 10 / 90 * 100 = 11 1 / 9 % answer is b"
Answer: B