Is this problem is about solving for h? If it is, here is the answer:
4/3 /......................................................../
Answer:
x=2; the extraneous root x=42.
All the details are in the attached picture, the answer is marked with red colour.
I don’t know what answers you have but I think it’s 23.4
6 *20 = 120
8 *60 = 480
120 + 480 = 600 pounds total
