Answer:
3
Step-by-step explanation:
3/4
1/4 = 1 pizza
1/4 + 1/4 + 1/4 = 3/4
11
1/3 nr^2h = volume of a cone
1/3 x 22/7 x 14 x r^2 = 440
r^2 = 440 x 3 x 7/22 x 1/14
r^2 = 30
r = 30
r = 5