Question

8. The average of three numbers is 20. If two
numbers are 16 and 22 the third is:​

Answer 1

Step-by-step explanation:

A=16

B=22

C=?

A+B+C/3=16+22+C/3=20

38+C/3=20

38+C=60

C=22

Answer 2

Answer:

22

Step-by-step explanation:

Let the third number be x.

Then, average= 20

=> (16+22+x)/3= 20

=> (38+x) = 20*3

=> 38+x = 60

=> x= 60-38

=> x= 22