Sarah bought a 16 ounce jar of strawberry jam for $3.20. what is the unit price

Divide 16 by 3.20$. You would get 50 cents per ounce of strawberry jam

Well, the unit price is how much does 1 ounce cost. Since 16 ounces of strawberry jam costs $3.20, divide 3.20 by 16 to find the unit price.
3.20/16=0.2, so the unit price is $0.20.
I hope this helps!
-Raiden

I'll say b) log(- that if not let me know what i can do