Class 9A

On the final certificate, one-quarter of the class 9 A marked “C” in mathematics, the seventh mark “C” from the Czech language, and two students failed in chemistry. How many students attend class 9 A?

Final Answer:

n =  28

Step-by-step explanation:

4=22 7 ...  prime number LCM(4,7)=227=28  n=LCM(4,7)=28



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