Final answer:
The nominal width of a typical CMU can range from 4 inches to 12 inches, with 8 inches being the most commonly used width.
Step-by-step explanation:
The nominal width of a typical CMU (Concrete Masonry Unit) can vary depending on the specific type and design. However, common nominal widths for CMUs range from 4 inches to 12 inches. The most commonly used nominal width for standard CMUs is 8 inches. This width allows for easy handling, construction, and integration with other building materials.