The average weight of 19 boys in a class is 40 kg . A new boy of weight 50 kg joins the class. Find the new average weight of the class.
Answers
Answered by
4
The answer is 40.5 hope it helps you
Answered by
2
to find the average we must do the following formula:
a+b/2
so,
the weight of 19 boys= 40kg
weight of a new boy= 50kg
average weight of the class= 40+50/2
=90/2
=45
THEREFORE, THE AVERAGE WWIGHT OF THE CLASS IS 45KG.
hope this helps...
lilyrose:
mark me as the brainliest answer if it helps plzz...
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