The average weight of a group of boys and girl is $38$ kg.
The average weight of boys is $42$ kg and that of girls is $33$ Kg.
If the number of boys is 25, then the number of girls is?
Asked
Active
Viewed 53 times
1 Answers
2
Hint: let there be $g$ girls. What is the total number of children? What is the total weight? What is the total weight of boys? What is the total weight of girls? What is $g$?
Ross Millikan
- 374,822