A recipe for potato salad calls one teaspoon of vinegar every 2 mayonnaise how many are needed 16 mayonnaise?

* Ratio: The recipe uses 1 teaspoon of vinegar for every 2 tablespoons of mayonnaise.

* Scaling Up: You're using 16 tablespoons of mayonnaise, which is 8 times more than the original 2 tablespoons (16 / 2 = 8).

* Vinegar Amount: To keep the ratio the same, you need 8 times more vinegar. So you'll need 8 teaspoons of vinegar (1 teaspoon * 8 = 8 teaspoons).

Answer: You need 8 teaspoons of vinegar for 16 tablespoons of mayonnaise.