The average weight of a class of 24 students is 35 kg if the weight of the teacher be included ,the average rises by 400g .The weight of the teacher is?
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Answered by
10
Answer:
Step-by-step explanation:x/24=35
X=840
840+y/25=35.4
Y=45kg
Weight of teacher is 45 kg
ani93singha45:
Where are you got 34.5. Please elaborate it.
Answered by
2
Answer:
Step-by-step explanation:
the average got increased when teacher weight is added...so,34+2/5=35.4
now,the class total weight initially - finally =35*24-35.4*25=45 kg.
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