Pencils used in an office may be bought at the price of two for forty cents or, when bought in large quantities, at the price of $11.04 for six dozen. What is the saving per dozen when pencils are bought at the lower rate?

A (U.S.) business math course typically includes a review of elementary arithmetic, including fractions, decimals, and percentages. Elementary algebra is often included as well, in the context of solving practical business problems.