Question

The mean of three number is 15. if 2 of the numbers are 18 and 16 what is the third number​

Answer 1

The third number is 11

Explanation:

First, you multiply 15 by 3 to get the sum(45) and then you add 18 and 16 to get 34. Lastly, you will minus 45 and 34 and your answer will be 11.