One-third 7708

One-third of the pupils go to school by bus. The other half take a tram, and the remaining ten pupils walk. How many students are in the class?

Correct answer:

n =  30

Step-by-step explanation:

3n+(n3n)/2+10=n  n/3+(nn/3)/2+10=n  2n=60  n=260=30  n=30

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