help with the following question.

A liquid mixture of benzene and toluene contains 55.0% benzene by mass. The mixture is to be partially evaporated to yield a vapor containing 85.0% benzene and a residual liquid containing 10.6% benzene by mass. Suppose the process is to be carried out continuously and at steady state, with a feed rate of 100.0kg/h of the liquid mixture. Let mv(kg/h) and m(kg/h) be the mass flow rates of the vapor and liquid product streams, respectively. Please use the step-by-step procedure that I have introduced you in the class to determine m((kg/h) and m1(kg/h)