Question

An 18-ounces jar of peanut butter costs $3.20. Find the unit price to the nearest tenth of one cent.

Answer 1

So we have to calculate the number of ounces for one cent right?

Answer 2

yes.

Answer 3

You just divide:

\(\Large \color{MidnightBlue}{\Rightarrow {18 \over 320} }\)

Remember that 320/18 would be when we have to find the price for one ounce.