Motel Seven hired 4 high school students to clean its swimming pool. Each student worked for 2.0 hours at an hourly rate of $5.90. The materials charge was $28.45. What was the total charge for this service?

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.