It would be negative 5 since it is going down.
The most reasonable would be grams.
Solving:
1) Pass: Make the rule three (Directly proportional)
Two inch nails ______ grams (<span>Weight)
</span>15 ----------------------------35
n ----------------------------- 175
2) Pass: <span>Multiply cross
</span>
3) Pass: Simplify
Answer:
75 nails weigh 175 grams
I think it is C for the answer yu have