To find the unit rate price per ounce for Rosie’s hot chocolate, you divide the total price by the number of ounces.
Total price: $5.00
Number of ounces: 20 oz
Unit rate price per ounce = Total Price / Number of Ounces
Unit rate price per ounce = $5.00 / 20 oz
Unit rate price per ounce = $0.25 per ounce
Therefore, the unit rate price per ounce for the hot chocolate is $0.25.