Answer: 4
Step-by-step explanation:
Answer:

Step-by-step explanation:
We have two coordinate points and are asked to find a slope.
When finding slope, we can use the formula listed :

To understand what the variables are, you can take this :


Substitute the points :


Now substitute it into the formula :



You would get $15 in total because 5x3=15.
Hope you could understand.
If you have any query, feel free to ask.