58. What is the probability of choosing a red pearl?

$$\begin{array}{lcl} What\:is\:the\:probability\:of\:randomly\:choosing\:a\:red\\ pearl\:from\:a\:jewel\:case\:that\:contains\:5\:red\:pearls,\:6\\ white\:pearls\:and\:4\:black\:pearls?\\ \\ (A):\frac{6}{15}\\ \\ (B):\frac{2}{12}\\ \\ (C):\frac{3}5{}\\ \\ (D):\frac{1}{3}\\ \\ (E):\frac{4}{15}\\ \end{array}$$