Average weight of 5 boys is 65kg, average weight of 4 girls is 56kg. What is the average weight of all 9 kids?
1 Answer
May 31, 2018
61
Explanation:
"Average weight of 5 boys is 65kg"
The total weight of the 5 boys can be found as
"Average weight of 4 girls is 56kg"
The total weight of the 4 girls can be found as
The average can then be found as
