For the Distribution in the Following Table, What Is the 90^th

Multiple Choice

For the distribution in the following table, what is the 90^th percentile? $\begin{array}{cr}\mathrm{X} & \mathrm{c} \% \\\hline 30-34 & 100 \% \\25-29 & 90 \% \\20-24 & 60 \% \\15-19 & 20 \%\end{array}$

A) $X=24.5$
B) $X=25$
C) $X=29$
D) $X=29.5$