Question

A cup of milk has 8 grams of protein. How much protein is in 2.5 cups of milk

Answer 1

1 cup of milk = 8 g proteins
2.5 cups of milk = 2.5 * proteins present in 1 cup of milk
                          = 2.5 * 8
                          = 20 g

20 grams of proteins is present in 2.5 cups of milk.