Pls help me this one pls
![Pls Help Me This One Pls class=](https://ph-static.z-dn.net/files/d0d/34c029af33c2cd2dee15eeebe8b49e3f.png)
EQUATIONS:
Each pack of KN95 mask is Php 90.00 and a pack of surgical mask is Php 68.00.