Respuesta :

To solve this problem you must apply the proccedure shown below:

 1- You have the following information given in the problem above:

 - The jug helds 16 cups of milk.
 - Isaac drank 1 7/8 cups and his brother drank 1 1/2 cups.

 2- Keeping this on mind, you have:

 1 7/8=15/8
 1 1/2=3/2

 =16 cups-15/8 cups-3/2 cups
 =101/8 cups

 The answer is: 101/8 cups