20% of what number is 40?
Working with Percentages:
Here we will find out an unknown value such that when a known percentage (20%) is taken of this value, it simplifies to a known result (40). In order to solve this, we can use simple algebraic techniques such as multiplication and division.
Answer and Explanation:
The answer is 200. To start this equation, we know that 20% of an unknown number is 40. We would like to know what this number is.
To start, convert...
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Learn more about this topic:
from ELM: CSU Math Study GuideChapter 3 / Lesson 7
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