If the price of a certain computer increased 20 percent from d dollars to 351 dollars, then 2d =  Choose the correct option
A) 540 B) 585 C) 619 D) 649 E) 700

Rationale: "before price increase price = d after 30 % price increase price = d + ( 20 / 100 ) * d = 1.2 d = 351 ( given ) i . e . d = 351 / 1.3 = $ 292,5 i . e . 2 d = 2 * 292.5 = 585 answer : option b"
Answer: B