A survey of people attending a Lunar New Year celebration in Chinatown yielded the results shown to the right. 133 were locals; Answer parts (a) through (d). 165 spoke Cantonese; Note. All attendees were either locals or visitors. 178 lit firecrackers; 111 of the visitors spoke Cantonese; 102 of the visitors did not light firecrackers; 23 of the non-Cantonese-speaking locals lit firecrackers; (a) How many attended? 80 non-Cantonese-speaking visitors did not light firecrackers; The number who attended is 34 of the locals who spoke Cantonese lit firecrackers. (b) How many of those who attended did not speak Cantonese? The number who attended who did not speak Cantonese is (c) How many locals did not light firecrackers? The number of locals who did not light firecrackers is (d) How many of those who lit firecrackers were Cantonese-speaking visitors? The number of those who lit firecrackers who were Cantonese-speaking visitors is