In 2000 there were 10000 women stockbrokers in the United States. By 2005 the number had increased to 20000. Approximately what was the percent increase?	Choose the correct choice:
A) 1 %
B) 2 %
C) 1.5 %
D) 3 %
E) 4 %

Rationale: the percent increase is ( 20000 - 10000 ) / 10000 = 10000 / 10000 = 1 % so the approximate answer is a
Answer: A