To Hold the Temperature of a Room Between $11 ^ { \circ } \mathrm { C }$

question 34

Multiple Choice

To hold the temperature of a room between $11 ^ { \circ } \mathrm { C }$ and $28 ^ { \circ } \mathrm { C }$ what Fahrenheit temperatures must be maintained?

• A) \(50.7 ^ { \circ } < F < 81.3 ^ { \circ }\)
• B) \(54 ^ { \circ } < F < 84.6 ^ { \circ }\)
• C) \(51.8 ^ { \circ } < F < 79.1 ^ { \circ }\)
• D) \(48.5 ^ { \circ } < F < 79.1 ^ { \circ }\)
• E) \(51.8 ^ { \circ } < F < 82.4 ^ { \circ }\)

---

Definitions:

Contribution Margin

The amount by which sales revenue exceeds variable costs of goods sold, indicating how much revenue contributes towards covering fixed costs and generating profit.

Variable Costs

Expenses that change in proportion to the level of production or sales activity, such as raw materials and direct labor.

Break-even Sales

The amount of revenue needed to cover total costs, resulting in neither profit nor loss.

Variable Costs

Costs that vary in proportion to the level of activity or volume of production in a business.