The minimum is 21 cause its the smallest.
Maximum should be 87.
I believe this is correct.
Answer:
The total change in the stock market from the beginning of the day to the end of the day is
or the stock market goes down
Step-by-step explanation:
At the beginning of the day the stock market goes up
points. This means, we have to add
At the end of the day the stock market goes down
points. This means, we have to subtract
Change 
So, the total change in the stock market from the beginning of the day to the end of the day is
or the stock market goes down
Subtract z from the right side so that it becomes... u - z = vw
Then all you do is divide the right side of the equation(or equals sign) by w because your goal is to get whatever you're solving for by itself.
Your answer, then, is... u-z/w = v