Answer:
Find the question in the attachment below.
Number of tickets sold on Saturday 

Number of tickets sold over the days 

Explanation:
a.
Number of tickets sold on Saturday 
Twice as many as the number of adult tickets 

Three times as many as the number of children's tickets 

Total number of tickets sold on Saturday =

b.
Total number of tickets sold on Friday and Saturday 
Summation of adult and children's ticket on both the days.

So total tickets sold on Saturday is 
 and tickets sold on both days 
