Question

The student in a class have a total mass of 1 717 kg .If the average mass per student is 50 1/2 kg,find the numbers of students i the class.Plz explain step by step

Answer 1

Let there be n students in the class.

60n+64(8)=62(n+8)

62n−60n=64(8)−62(8)

2n=16

n=8

Therefore, initially there were 8 students in the class.

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