So all you do is you divide 2 1/2 by .25 and you get 10 then you know one fourth or 25% of that package is 10 berries so the rest or 30% left over is 30 berries.
I would say D because if you do 10 x 2 you get 20 then minus 9 equals 11 and that seems around the right measurements
The answer to your first question is $390.98