Answer:
The answer is "33%".
Step-by-step explanation:
Total customers [tex]= 20 + 40 + 60 = 120[/tex]
Satisfied customers = 40
Calculating the percent of the responses which indicated the satisfing customers [tex]= \frac{40}{120}=\frac{4}{12}=\frac{1}{3} = 0.33 = 33\%[/tex]