Jason uses two different mixtures of windshield washer fluid for his car. In the summer the mixture is one part washer fluid and
three parts water; in the winter the mixture is two parts washer fluid to one part water. How many ounces of washer fluid should Jason add 24 ounces of summer mixture in order to produce winter mixture? (A) 3
(B) 12
(C) 30
(D) 36
(E) 48