Mary's income is 60 percent more than Tim's income, and Tim's income is 60 percent less than Juan's income. What percent of Juan's income is Mary's income?	Choose the correct answer.
A) 64 % B) 120 % C) 96 % D) 80 % E) 64 %

Rationale: "juan ' s income = 100 ( assume ) ; tim ' s income = 40 ( 60 percent less than juan ' s income ) ; mary ' s income = 64 ( 60 percent more than tim ' s income ) . thus , mary ' s income ( 64 ) is 64 % of juan ' s income ( 100 ) . answer : a ."
Answer: A