Adrama class has a total of 48 students. the number of females is 4 less than the number of males. how many males and how many females are in the class

From a party ,lori made a fruit punch from 1 gallon of orange juice ,2 quarts of grape juice,5 pints of pineapple juice, and 12 cups of cranbarry juice order the juice from least to greatest amount used in the fruit punch