Answer:
Step-by-step explanation:
We have to select george but not nina with two other people
No. of ways selecting 2 two people knowing Geroge will be the third one is
(beacuse we have to exclude Nina)
And total no of ways of selecting 3 people out of 8 people is
Therefore the required Probability is
=
Arjun should have divided both sides of the equation by 7 instead of multiplying.
4x + 6 = 9 is the equation
The expression given is

The sum of the expression will be,

The sum will be