Create a free account!

When you create an account, we'll save your progress. Plus, you'll have access to some cool tools, like reports, assignments, gradebook, and awards.

38 plugs attend a wine contest. 26 of them know the brand of the 1st kind of wine, 23 know the brand of the 2nd kind, and 15 know brands of both kinds. Then plugs know neither of the brands.