Maths exam

One third of all students in a secondary school passed the maths exam. Five of these students then failed the maths exam retake. One quarter of all students in the final year of the secondary school passed the maths exam.
Calculate the total number of students in the final year.

Final Answer:

n =  60

Step-by-step explanation:

3n5=4n  n/35=n/4  n=60



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