Final answer:
The correct statement is known as the Percent Proportion, which states that the part equals the percent multiplied by the whole, used in percentage calculations.
Step-by-step explanation:
The statement you are referring to is known as the Percent Proportion, which is option D. The Percent Proportion states that the part equals the percent multiplied by the whole. This is a fundamental concept in Mathematics, particularly when dealing with percentage problems. For example, if you want to find what 30% of 200 is, you would multiply 0.30 (the decimal form of 30%) by 200 to get the result, which is 60.