300mm (obvious) 3m converted into mm is 300mm it cant be any number else only if the 3 changes as a 3.5m so that's 0.0035 (my teacher taught me this so It cant be wrong)
Answer:
8
Step-by-step explanation:
First, find x.
4x - 10 = -30
Add 10 to both sides
4x = -20
Divide by 4
x = -5
Now subtract.
3 -(-5)
8
Please let me know if I'm wrong!
The answer will be price per ounce.
This means price/ounce.
For example (not the answer):
A) $3.45 / 3.5oz = 0.99 dollars per oz