He didn't distribute 1/3 to x and 15 before solving
Answer:
Coincidental
Step-by-step explanation:
<em>If the two lines have the same two points, they must also have the same slope </em><em>and</em><em> the same y intercept. From this we can deduct that they are actually the same line. Two lines that are directly on top of each other are considered coincidental lines.</em>
I would just divide 400 and 10 and then try to come up with the salary