A snack consists of 2 oz Swiss cheese, six whole wheat crackers, and 1.5 tablespoons of milk in a cup of coffee. One ounce of Swiss cheese provides 7.7 grams of protein, each cracker provides 0.4 gram of protein, and 2 tablespoons of milk provides 1.1 grams of protein. How much protein does this snack provide?

This answer would overestimate the total protein content. If one were to incorrectly calculate the protein from the cheese (e.g., by multiplying 2 oz by 8.725 grams of protein per oz), the crackers (by multiplying 6 crackers by 0.5 grams of protein per cracker), and the milk (by assuming 2 tablespoons provide 1.5 grams of protein), the total might approximate this value.

This value also overestimates the total protein. A common mistake could be incorrectly calculating the protein from the cheese (e.g., by multiplying 2 oz by 8.3125 grams of protein per oz), then adding the correct amounts from the crackers and milk.

This answer significantly underestimates the total protein content. It could result from a calculation error, such as forgetting to multiply the protein content of the cheese and crackers by their respective quantities, and/or underestimating the protein content of the milk.