Question 1 1 pts
A furniture company has 15 trucks that can make
120 deliveries each day. How many trucks would
they need to make 160 deliveries each day?

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.