The price per yard of the ribbon is $6.69
<h3>Conversion of foot to yard</h3>
First, we will need to convert 9 foot to yards as shown;
9 foot = 3 yards
This shows that a 3 yard piece of ribbon costs $20.07, the price per yard is expressed as;
Price per yard = 20.07/Total yard
Price per yard = 20.07/3
Price per yard = 6.69
Hence the price per yard of the ribbon is $6.69
Learn more on unit rate here; brainly.com/question/19493296
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