Answer:
[tex]\frac{700}{1000} \\
\\[/tex]
Step-by-step explanation:
300 of the participants were unhappy
700 of the participants were happy
_______________________________
1000 total participants
[tex]\frac{700}{1000} \\\\[/tex]
fraction of happy participants to the whole
[tex]\frac{300}{1000} \\\\[/tex]
fraction of unhappy participants to the whole
[tex]\frac{700}{1000}=\frac{70}{100} =[/tex] 70%
percentage of happy people with their job.
[tex]\frac{300}{1000}=\frac{30}{100} =[/tex] 30%
percentage of unhappy people with their job.