Question

20. If the average of 18, 15, X, 22, 28 and
21. Find the value of x.
1) 7.4 2) 7.8 3) 8.4 4) 8.7​

Answer 1

Step-by-step explanation:

if average is 20

then the ans is x=16

you haven't asked the question right.

but, you can do this process for any average given