At a medical convention attended only by pediatricians and general surgeons, 40 percent of the 250 pediatricians in attendance were male, and 60 percent of the general surgeons were male. How many people were at the convention?

(1) The ratio of male pediatricians to female general surgeons was 2 to 3.

(2) There were exactly 150 female general surgeons in attendance.

[spoiler]OA=D[/spoiler]

Source: Princeton Review