Question

1. at 15-ounce jar of pasta sauce costs $3.45. find the unit cost per ounce.

Explanation:

Step1: Divide total cost by ounces

$\text{Unit cost} = \frac{3.45}{15}$

Step2: Calculate the final value

$\frac{3.45}{15}=0.23$

Answer:

The unit cost is $\$0.23$ per ounce.