At a sports centre, members are able to play badminton (B), squash (S) and table tennis (T).
The 140 members all play atleast 1 game but some play all 3.
69 members play badminton and 18 play both badminton and squash.
42 members play table tennis only; and 16 play squash only.
25 members play both squash and table tennis.
The number of members who play badminton only is twice the number who play all 3 games.
a) denote the number of members who play all 3 games by x.
b)form an equation in x and solve it.
Can you please help me tonight