Which problem is best represented by the expression ? How many portions that are 16 of a whole pizza can be made with 23 of a pizza?

Ryan's mom gave Ryan 23 of a pizza to eat. Ryan eats a portion that is 16 of the whole pizza. How much pizza is left?

Leena has 23 of a glass of milk with her. She gives 16 of it to her cat. How much of milk is left with her now?

Leena has 23 of a glass of apple juice with her. She adds another 16 glass of apple juice to it. How much apple juice does she now have?