1: 15。 According to the inquiry of Yixing Education Bureau, the ratio of the number of people dining in school canteens to the number of kitchen workers in Yixing is between 1: 15, which means that if there are 1500 students, the number of kitchen workers is 100. Yixing, a county-level city under the jurisdiction of Jiangsu Province, is hosted by Wuxi City and located at the southwest end of Jiangsu Province, in the center of the Shanghai-Nanjing-Hangzhou Triangle.