Mathematics ACT Aspire Practice Test

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Study for the Mathematics ACT Aspire Test. Master concepts through a mix of questions. Dive into explanations and hints for a thorough understanding. Elevate your test readiness!

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In the formula for percent of change, what does 'Final - Original' represent?

The increase in quantity
The ratio compared to the original amount
The total discount amount
The percentage increase

The correct answer is: The increase in quantity

In the formula for percent of change, the term 'Final - Original' specifically measures the difference between the final value and the original value. This difference indicates how much the quantity has increased or decreased from its initial state. When this difference is positive, it signifies an increase, which aligns with the response indicating that it represents the increase in quantity. The formula for percent change is indeed calculated by taking this difference, dividing it by the original amount, and then multiplying by 100 to express it as a percentage. This context clarifies that 'Final - Original' is not just a standalone figure; it is indeed crucial in determining how much the original value has changed into the final value. While other options mention related concepts, they do not accurately capture the specific role of 'Final - Original' in the calculation. For instance, the ratio compared to the original amount is part of the broader percent change calculation, and total discount amount refers to a specific instance of change rather than the general principle represented by 'Final - Original'. Thus, the correct interpretation focuses on how this difference functions within the framework of percent change calculations.