Simplify the Expression $\frac{5^{3 / 4} x^{-2 / 5} y^{3 / 2}}{5^{-5 / 4} x^{13 / 5} y^{1 / 4}}$

Multiple Choice

Simplify the expression. Assume that all variables represent positive real numbers.
- $\frac{5^{3 / 4} x^{-2 / 5} y^{3 / 2}}{5^{-5 / 4} x^{13 / 5} y^{1 / 4}}$

A) $\frac{125 y^{5 / 4}}{x^{3}}$

B) $\frac{25 y^{5 / 8}}{x^{4}}$

C) $\frac{25 y^{5 / 4}}{x^{3}}$

D) $\frac{25 y^{5 / 4}}{x^{2}}$