Determine the Number of Classes in the Frequency Table Below

Multiple Choice

Determine the number of classes in the frequency table below. $\begin{array}{cc}\hline\text { Class } & \text { Frequency } \\\hline 38-39 & 7 \\40-41 & 2 \\42-43 & 6 \\44-45 & 4 \\46-47 & 1\\\hline \end{array}$

A) 5
B) 6
C) 20
D) 2