Solve the Problem $W$ , Defined as the Weight Above Which the Risk of

Multiple Choice

Solve the problem.
-Assume that a person's threshold weight $W$ , defined as the weight above which the risk of death rises dramatically, is given by $W ( h ) = \left( \frac { h } { 12.3 } \right) ^ { 3 }$ , where $W$ is in pounds and $h$ is the person's height in inches. Find the threshold weight for a person who is $6 \mathrm { ft } 1$ in. tall. Round your answer to the nearest pound.

A) $122 \mathrm { lb }$
B) $209.1 \mathrm { lb }$
C) $221.5 \mathrm { lb }$
D) $235.9 \mathrm { lb }$