Answer:
The answer is B, i believe
Step-by-step explanation:
House flipping is usually when you buy s house and renovate it to make it look nicer and then selling it for more to make a profit from that.
He buyed 240 cards because
20
x
12
-----
40
+
20
-------
240
The answer is 7.2 and idk what else to say but.... I have to just write sum PLZ ONLY READ THE ANSWER
i got 4.225
so hope that helps a little!