The answer is This answer and this answer is B
20, 10 line segments each with 2 ends = 20
The watermelon weighs 7 pounds
Proof:
remove the decimal points then divide 168 by 24
168/24 = 7
The watermelon weighs 7 pounds
Answer: 
Step-by-step explanation:

Plug in your values.

Square 1ft.

Plug this into a calculator or do it manually.

3 tons + 600 lbs = 6600 lbs