The formula of inter-conversion of centigrade and Fahrenheit scale is___________?A. c-32/9B. f -32/9 =c/5C. f-32/9=c/9D. none 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Website Label {} [+] Name* Email* Website 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments