Question

The average weight of four boys is 45kg and the average weight of five girls is 36 kg.what is the average weight of all the nine children A.38kg B.40kg C.42kg D.44kg

Answer 1

Answer:

38 K.G

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Average=4*45+5*36/9

=180+180/9

=360/9

=40

So average weight of 9 children will be 40kg