In 1970 there were 8,902 women stockbrokers in the United States. By 1978 the number had increased to 19,947. Approximately what was the percent increase?
Choose the correct choice from the following answers.
A) 45%
B) 125%
C) 145%
D) 150%
E) 225%
We can use approximation to get the answer quickly.   Like,   19,947 is approx 20000   8902 is approx 8900   So, Total increase = 20000 - 8900= 
<gadget id="calculator">20000 - 8900</gadget>
<output>11_100</output>
11100   Hence, % increase= 11100 / 8900 = approx. 11/9 = 1.22 = approx. 1.25   So, Choice is 125%.
<result>B</result>
In 1970 there were 8,902 women stockbrokers in the United States. By 1978 the number had increased to 19,947. Approximately what was the percent increase?