Answer:
The change of concentration surely made the difference since the last drink contained more juice with respect to the water
Explanation:
The concentration of a drink
We can know how much of a certain ingredient there is with respect to the entire mix. This is known as the concentration and is commonly expressed in percentage %
Sylvia and her friends made a drink with 6 quarts of pineapple juice in 4 quarts of sparkling water. The total quantity of water is 10 quarts, so the concentration of pineapple juice is

The next week, their drink consisted of 5 quarts of pineapple juice and 3 quarts of sparkling water, so the new concentration is

The change of concentration surely made the difference since the last drink contained more juice with respect to the water