Samir works as a salesperson at an electronics store and sells phones and phone accessories. Samir earns a $8 commission for every phone he sells and a $4 commission for every accessory he sells. On a given day, Samir made a total of $216 in commission from selling a total of 39 phones and accessories. Graphically solve a system of equations in order to determine the number of phones sold. 2, and the number of accessories sold, y.
