Each sheet makes 8 pages,
Therefore, total no. of pages = 75,000 × 8 = 600,000
No. of pages for each book = 200
Therefore, no. of notebooks made = 600,000 ÷ 200
= <u>3000</u>
There are no constants here. But we have x and y here.
We will create an equation which is:
2y+3x=54.
But we will also create a second equation which states the number of seats.
x+y=24.
Now we do the two-equation solving method.
2y+3x=54
-2(x+y=24)
2y+3x=54
-2x-2y=-48
x=6
To solve for y, plug in x into one of the original equations. Which one doesn't matter.
y+6=24
y=18
Median is generally good if you have outliers (data points that are very far off from the majority of the points).
Mean can be used otherwise.