One half of the workers at the biscuit company is technician,quarter is clerk,one-fifth are administrative and the other 25 are supervisors. How many workers total are there in the biscuit company?	Options:
A) 250
B) 366
C) 400
D) 500
E) 2500
1/2x + 1/4x +1/5x = 19/20x   Remaining 1/20 x= 25   x= 25*20= 
<gadget id="calculator">25*20</gadget>
<output>500</output>
500   500 is the answer.
<result>D</result>
One half of the workers at the biscuit company is technician,quarter is clerk,one-fifth are administrative and the other 25 are supervisors. How many workers total are there in the biscuit company?