Bottle C contains 1.2 litres of detergent for 6.60 dollars. Bottle D contains 1.5 litres for 7.95 dollars. Which offers better value for the same detergent?

Erklärung

Bottle C costs 5.50 dollars per litre and Bottle D costs 5.30 dollars per litre, so Bottle D is better value. Selecting Bottle C because 6.60 dollars is less compares checkout prices without accounting for the different volumes.