Type : Subjective
People in city Savin have shown signs of a particular skin disorder. 120 have been exposed to chemical C1, 50 to chemical C2, and 30 to both the chemicals C1 and C2. Scientists have found that only chemicals C1 and C2 could have caused that particular skin disorder. Find the number of individuals exposed to Chemical C1 or Chemical C2.
Type in your answer as an Integer.For example 52.37 as 52.