Total number of people 400 started at the beginning. To calculate the percentage, divide the value by the total value and multiply the result by 100.
Therefore,
Percentage of students dropped = 3%
Number of people dropped this year= 12
To find Total students = (12/3) * 100 = 400
That is to find how many people dropped is = 400 *(3/100) = 12
so we can rearrange the formula .
To learn more about Percentage calculation refer :
https://brainly.com/question/24877689
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