Answer:
b
Step-by-step explanation:
A. 4/9
b. 3/4
c. 9/3
d. 2/9
e. 1/1
I hope that helped you. :)
So you know that 1 cubic foot is equal to 80 pounds. So, the first point would be (1,80).
You can find the other points by multiply 80 by a number, and when I did that, I got (2,160) and (3,240) too.
I hope this helps :)