SOLUTION: On a math test, 12 students earned an A. This number is exactly 25% of the total number of students in the class. How many students are in the class?

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Question 323686: On a math test, 12 students earned an A. This number is exactly 25% of the total number of students in the class. How many students are in the class?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
12 is to 25 as X is to 100.
12%2FX=25%2F100
X=48
48 students in class.