an employee ’ s annual salary was increased $ 5000 . if her new annual salary now equals $ 25000 what was the percent increase ? Select the correct option.
A) 15 %
B) 80 %
C) 20 %
D) 22 %
E) 24 %

Rationale: new annual salary = $ 25000 salary increase = $ 5000 . original salary = $ 25000 - $ 5000 . = $ 20000 % increase = ( $ 15000 / $ 75000 ) * 100 = 80 % hence b .
Answer: B