Answer:
Number of adult tickets sold = 79
Step-by-step explanation:
Let number of adult tickets sold = x
Then number of children ticket sold = 2x
Total tickets sold = 237
2x + x = 237
3x = 237
x= 237/3
x= 79
Number of adult tickets sold = 79
Extra: Number of children ticket sold = 2x = 79*2 = 158