A ratio compares two or more quantities by using parts of a whole. In this bracelet, there are 2 parts red compared to 3 parts blue. The ratio of red beads to blue beads is 2 : 3. This is said aloud ...

Andrew C. McCarthy is a senior fellow at National Review Institute, an NR contributing editor, and author of Ball of Collusion: The Plot to Rig an Election and Destroy a Presidency. Madman theory ...