I have done the segment 1 pratice exam
Answer:

Step-by-step explanation:
Given
3 ×
← can be expressed as
× 
Multiply numerators/ denominators, that is
= 
= 
A is the minimum value
B is the first quartile
The point with the line through it (next to C) is the median.
The point to the outside of the box is the third quartile.
D is the maximum value.
Hope this helped.
I got 16,000 tubes are sold in half a day because there are 720 minutes in 12 hours, and 43,200 seconds in 720 minutes then you divide by 2.7 and get 16,000