Problem 1

$$\begin{array}{lcl} 1.\:A\:car\:rental\:agency\:charges\:\$ 18\:a\:day\:plus\:\$ 0,12\\ per\:mile\:for\:its\:rental\:cars.\:If\:these\:charges\:include\\ tax,\:what\:is\:the\:total\:cost\:of\:traveling\:450\:miles\\ in\:2\:days\:?\\ \\ (A)\:\$ 120\\ (B)\:\$ 90\\ (C)\:\$ 117\\ (D)\:\$ 108\\ (E)\:\$ 164\\ \\ \end{array}$$