Answer: There is 85% of all these viewers voted "like".
Step-by-step explanation:
Since we have given that
Number of first viewers = 240
Percentage of first viewers who voted "like" for the clip = 80%
Number of people who voted "like" for the clip =

Number of next viewers = 80
total number of viewers = 240+80 = 320
Number of viewers who voted "like" for the clip = 80
Total number of viewers who voted "like" for the clip = 192+80=272
So, overall percentage of viewers voted "like" is given by

Hence, there is 85% of all these viewers voted "like".