1250 students were surveyed, 911 drank alcohol or used illegal drugs, 425 drank alcohol only, 16 drank alcohol and used illegal drugs but did not smoke cigarettes. How many drank alcohol or smoked cigarettes but did not use illegal drugs?

1250 students were surveyed 911 drank alcohol or used illegal drugs 425 drank alcohol only 16 drank alcohol and used illegal drugs but did not smoke cigarettes class=