If the price of a certain computer increased 30 percent from d dollars to 338 dollars, then 2d =
Choose the correct choice from the following:  A) 540  B) 520  C) 619  D) 649  E) 700
Before Price increase Price = d   After 30% Price increase Price = d+(30/100)*D = 1.3d = 338 (Given)   i.e. d = 338/1.3= 
<gadget id="calculator">338/1.3</gadget>
<output>260</output>
$260   i.e. 2d= 2*260= 
<gadget id="calculator">2*260</gadget>
<output>520</output>
520   Answer: option 520
<result>B</result>
If the price of a certain computer increased 30 percent from d dollars to 338 dollars, then 2d =