The workforce of Company X is 50% female. The company hired 20 additional male workers, and as a result, the percent of female workers dropped to 50%.How many employees did the company have after hiring the additional male workers?  Choose the correct choice from the following
A) 225 B) 220 C) 230 D) 235 E) 240
let x be the total worker then 0.5x =female worker and 0.5x is male worker then 20 male worker added   05x/(0.5x +20) = 50/100 or 50x = 50*( 0.5x+100) = 25x+ 5000 or 25x = 5000 , x = 5000/25= 
<gadget id="calculator">5000/25</gadget>
<output>200</output>
200   total worker= 200 +20= 
<gadget id="calculator">200 +20</gadget>
<output>220</output>
220   220
<result>B</result>
The workforce of Company X is 50% female. The company hired 20 additional male workers, and as a result, the percent of female workers dropped to 50%.How many employees did the company have after hiring the additional male workers?