In this case the answer is very simple . .
To find the solution to the exercise we'll have to carry out several steps.
Step 01:
Data:
Point 01 :
3000 shirts , 56$ (3000, 56) x1 = 3000 y1 = 56
Point 02:
1500 shirts , 8$ (1500, 8) x2 = 1500 y2 = 8
p = mn + b price
Y = price X = shirts
Step 02:
We must calculate the slope of the line
The slope formula is:
[tex]m\text{ = }\frac{y2\text{ - y1}}{x2\text{ - x1}}[/tex]We must substitute in the formula
[tex]m\text{ = }\frac{8\text{ -56}}{1500\text{ -3000}}\text{ = }\frac{-48}{-1500}=\text{ }\frac{48}{1500}[/tex]Simplifying
[tex]m\text{ = }\frac{4}{125}[/tex]Step 03: