Vending Machines on a College Campus Offer a Variety of Snacks.The

Multiple Choice

Vending machines on a college campus offer a variety of snacks.The purchasing agent believes that each type of snack is equally preferred by students and consequently orders equal quantities.The number of snacks sold from vending machines on this campus for the last six months is shown in the following tablE.If the purchasing agent is correct, how many candy bars would we expect to have been sold? $$\begin{array} { | l | l | l | l | l | } \hline \text { Snack Type } & \text { Chips } & \text { Candy Bars } & \text { Crackers } & \text { Nuts } \\\hline \text { Purchase Frequency } & 159 & 198 & 174 & 149 \\\hline\end{array}$$

A) 170
B) 198
C) 125
D) 180
E) 680