There are 500 employees in a room. 99% are managers. How many managers must leave the room to bring down the percentage of managers to 98%? Choices:
A) 150
B) 200
C) 250
D) 350
E) 400

Rationale: "there are 495 managers and 5 others . the 5 others would compose 2 % of the total number of people if there were 250 people in the room . thus 250 managers must leave . the answer is c ."
Answer: C