A 2.5-kilogram bag of coffee beans cost $15. calculate the unit price per kilogram
To calculate the unit price per kilogram, you need to divide the total cost by the weight in kilograms.
Unit price per kilogram = Total cost / Weight in kilograms
Unit price per kilogram = $15 / 2.5 kg
Unit price per kilogram = $6 per kilogram
Therefore, the unit price per kilogram of the coffee beans is $6.