SOLUTION: In my maths class, only 40% of the class passed our first test. If only twelve students passed the test, how many students are in my maths class?

Question 864635: In my maths class, only 40% of the class passed our first test. If only twelve
students passed the test, how many students are in my maths class?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
In my maths class, only 40% of the class passed our first test. If only twelve
students passed the test, how many students are in my maths class?
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Let "x" be the number of students in the class::
0.40x = 12
x = 12/(0.4) = 120/4 = 30
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Cheers,
Stan H.
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