A candidate got 31% of the votes polled and he lost to his rival by 2451 votes. How many votes were cast?
Choose the correct answer:
A) 6150	B) 6250	C) 6350	D) 6450	E) 6550

Rationale: "let x be the total number of votes . 0.31 x + 2451 = 0.69 x 0.38 x = 2451 x = 2451 / 0.38 = 6450 the answer is d ."
Answer: D