In the question it is already given that the 12 pitchers filled by Jenny has equal amount of lemonade. Also there are several information's of immense importance already given in the question. Based on those information's the answer to the question can be easily determined. The amount of lemonade in the 12 pitchers = 41.4 liters So The amount of lemonade in 1 pitcher = (41.4/12) liters Then The amount of lemonade in 7 pitchers = (41.4/12) * 7 liters = 289.8/12 liters = 24.15 liters So 2415 liters of lemonade will be there in 7 pitchers.
