In an Economics Study, Three Quantities $m, p$ , And $q$ Have Been Found to Be Related by the Equation

Multiple Choice

In an economics study, three quantities $m, p$ , and $q$ have been found to be related by the equation $\mathrm{m}=\mathrm{p}^{1 / 2} \cdot \mathrm{q}^{1 / 2}$ . Find $\mathrm{m}$ , if $\mathrm{p}=16$ and $\mathrm{q}=25$ .

A) 9
B) 20
C) 400
D) 100