Answer:
There are 15 people out of 100 that are running for a case.
Step-by-step explanation:
If we have 120 people out of 800 running for a cause, the ratio between the number of people running for a cause and between the total number of people is...
120 : 800
Then if we can simplify this ratio a bit by dividing both sides by 8, and so we get...
15 : 100
(from this little simplification (which is not the final simplification) we can see that for every 100 people running there are 15 out of them that are running for the cause)
