pls help me out pls it is dou in a few minutes
![pls help me out pls it is dou in a few minutes class=](https://us-static.z-dn.net/files/dab/abaa91a6395a9befa44735a734ac2605.jpg)
Answer:
it would be 4. c=.72n as you need to find how much each notebook sells for and then N would be your variable so that would tell you how many of something that someone got.
Step-by-step explanation: