Based on the above data, which of the conclusion is true ?
$\begin{array}{1 1} (a)\; \text{The ratio of those who enjoy guitar class to that of violin class is 8:10} \\ (b)\; \text{The ratio of those who don't enjoy guitar to that of violin class is 1:2} \\ (c)\; \text{The ratio of those who enjoy, guitar to that of those who don't enjoy guitar class is 5:8} \\ (d)\; \text{The ratio of those who enjoy guitar class to those who don't enjoy violin class is 16:5} \end{array}$
