Answer: -10, 10
Step-by-step explanation:
Answer: The required rate = 0.64 per pounce.
Step-by-step explanation:
We are given that,
Postal service charge = $10.30 per pound.
As we know, 1 pound = 16 ounces.
So, Postal service charge = $10.30 per 16 ounces.
Postal service charge

Hence, the required rate = 0.64 per pounce.
Step-by-step explanation:
hope it will be helpful to you
I believe the appropriate volume is 160.