The question here is "20 is what percent of 121?" which is the same as "What percent of 121 is 20?" This math word problem is asking "what percent" so we know that the answer should be a percent. Specifically, what percent (x) of 121 equals 20.
The problem is therefore x% of 121 = 20 which can be written as a function:
| = 20 |
And when we solve the function above for x, we get 16.529. The answer to "20 is what percent of 121?" is therefore:
16.529%
How can we know the answer is correct? We know the answer is correct because 16.529 percent of 121 is 20.
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20 is what percent of 122?
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