Which of the Following Is a Unit in an Abstract

question 3

Multiple Choice

Which of the following is a unit in an abstract mathematical system subject to the laws of arithmetic?

• A) Number
• B) Natural number
• C) Integer
• D) Negative number
• E) Rational number

---

Definitions:

Break-even

The point at which total costs equal total revenues, and the business or project makes neither profit nor loss.

Unit Sales

The total quantity of an item sold by a company during a given period.

Tiling Grout

Tiling grout is a mixture used to fill and seal the gaps between tiles, ensuring stability and preventing moisture entry.

Contribution Margin Ratio

A financial metric that measures the proportion of revenue remaining after variable costs are subtracted, indicating how much contributes to covering fixed costs and generating profit.