A company wants to purchase a magazine printing press for $3000. It costs $0.15 to print each magazine. If they sell each copy for $1.75, how many magazines do they need to sell to break even?

146%

step-by-step explanation:

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.