A department has only two kinds of professor, some focus on Accounting, others focus on Financing. Ask in this department, professor who are doing consulting job is what percent of professor who are not doing the consulting job.
A)Half of Accounting professor doing consulting job.
B)Given the ratio of (Finance professor who are doing consulting job) to (Accounting professor who are not doing consulting job). 记不太清，很长！大概如此。）
