They are both equal because in decimals you can add thousands of zeros and it's still equal.
C
you have the 2 side ones and the top one, you are missing the bottom vertice
15 minutes is one quarter of an hour, so the number of people accommodated in an hour would be 4 x 55 = 220 people per hour
The best estimate for the length of a bean would be B: 13 cm
