If you do the math you get 13.95 meaning the nearest whole number would be 14
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
Answer:
8
Step-by-step explanation:
average is calculated as
average = 
= 13 ( multiply both sides by 2 )
sum of 2 eldest = 26
Then for the 4 children
average =
=
= 8
∫ √(4x - x²) dx
= 2[(4x - x²)^(3/2)] / 3(4 - 2x)