Assignment:
An online company sells handmade samurai katana swords. The website costs $ 215 a month to maintain. Each katana costs $ 250 to make, and they sell each katana for $ 675.
Requirement:
A. Create a linear model in the form y=mx+b where x is the number of swords sold per month and y is the net monthly profit.
B. Using this model, find the number of swords that would need to be sold per month to have a monthly profit of $ 4890.