a class has 26 boys and 14 girls.the mean weight of boys of the class is 40 kg and the mean weight of girls of the class is 35 kg. find the mean weight of students of the class
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Step-by-step explanation:
26×40=1040kg
14×35=490kg
Total weight of boys and girls is 1040+490=1530.
Total no. of boys and girls is 26+14=40.
1530÷40=382.5
The answer is 382.5.
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