The equation models that Mia can determine the percent of discount will be $20x = $5. Then the correct option is C.
What is the percentage?
The quantity of anything is stated as though it were a fraction of a hundred.
Mia bought a poster that was discounted $5 from an original price of $20.
Let x be the amount of the discount percentage.
The equation models that Mia can determine the percent of discount will be
$20x = $5
Then the correct option is C.
More about the percentage link is given below.
https://brainly.com/question/8011401
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