Asked by Shewit

In a class of boys and girls the mean weight of 8 boys is 55kg and the mean weight of a group of girls os 48kg the mean weight of all the children is 50.8kg how many girls are there
Answered by Shewit
In a class of boys and girls the mean weight of 8 boys is 55kg and the mean weight of a group of girls os 48kg the mean weight of all the children is 50.8kg how many girls are there
Answered by oobleck
Just add up all the weights
if there are g girls, then you know that
55*8 + 48g = 50.8(8+g)
Now just solve for g
Answered by I am not understand
Fjcn

There are no AI answers yet. The ability to request AI answers is coming soon!