You Have Two Part-Time Jobs: in the Library Paying $7

question 206

Multiple Choice

You have two part-time jobs: in the library paying $7 per hour and at the student radio station paying $9 per hour. You want to earn at least $175 per week. In addition you can only work at most 25 hours per week. Let b be the hours you work in the library each week and let r be the hours that you work at the radio station each week. Is in the solution set of this system of inequalities?

• A) Yes
• B) No

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Definitions:

Variable Costs

Costs that change in proportion to the level of production or sales activities of a business.

Cost Per Unit

Cost per unit is the total expense incurred to create or purchase a unit of product, calculated by dividing total costs by the number of units produced or purchased.

Fixed Factory Overhead

Costs related to the production that do not vary with the level of output, such as rent, salaries of permanent staff, and depreciation.

Variable Direct Labor

The portion of labor costs that varies directly with production volume.