The average weight of 20 boys in a class is 160 kg and that of the remaining 5 boys is 50 kg find the average weight of all the students
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Answer:
8.4 kg
Step-by-step explanation:
total number of students: 20+5=25,
average weight of 20 students= 160 kg.
average weight of 5 students= 50 kg.
so, (160+50)/25 should be the average weight
that is 8.4....
I am not sure but I hope it would help you a bit
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