Question

in a class, the average weight of boys is 42 kg, the
average weight of all the girls is 36 kg and the
average weight of the whole class is 40.5 kg. What
approximate percentage of the students are girls?
17 25%
(2) 30% (3) 35%
(5) None of these
(4) 40%
he​

Answer 1

Step-by-step explanation:

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