Question

3
12. The average weight of 9 boys in a class is 42
kg. Another boy joined the class and the new
average was found to be 42.5 kg. Find the
weight of the new boy.
C
Thot​

Answer 1

Answer:

43

Step-by-step explanation:

first 9 boy have average weight is 42 one boy added in class the average weight is 42.5 the one boy is more added to class the average weight is 43

Answer 2

Answer:

47 kilogram

Step-by-step explanation:

i hope help you!!!!!!