there are two sections A and B of a class consisting of 36 and 44 students respectively . The average weight of section A is 40 kg and that of section B is 35kg. Find the average weight of the class
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Step-by-step explanation:
Total students = 80
Total weight of 80 Students,
= (36 × 40 + 44 × 35) kg
= 2980 kg
Therefore average weight of the whole class,
= 2980/80 kg.
Therefore average weight = 37.25 kg.
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