Jamie recently drove to visit her parents who live 648 miles away. On her way there her average speed was 21 miles per hour faster than on her way home (she ran into some bad weather). If Jamie spent a total of 18 hours driving, find the two rates.

answer: for each 3 girls there is 2 boys . 3: 2

hope this ! (:   mark me as brainliest if you can

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.