Answer:
The unit rate is $3.20
Explanation:
Unit rate is how much 1 unit of the material costs. So in our case the material is the ribbon. In order to find the unit rate we need to find how much does 1 foot of ribbon cost, we do that by dividing the total cost by the total number of feet, so we do...
19.20 / 6 = 3.20
Therefore the unit rate is $3.20