Question
The average mass of a group of 13 students is 36 kg and the average mass of another group of 17 students is 39 kg. What is the average mass of the two groups of students?
3 m

Click button first when a symbol is required. X

The average mass of a group of 13 students is 36 kg and the average mass of another group of 17 students is 39 kg. What is the average mass of the two groups of students?