Answer:
Not teenagers = 1120
Step-by-step explanation:
Total number of audience members = 1600
30% of the audience were teenagers.
It means 70% of the audience were not teenagers. It can be given by :
x = 70% of 1600
[tex]x=\dfrac{70}{100}\times 1600\\\\x=1120[/tex]
Hence, 1120 audiences were not teenagers.