Add Simplify, If Possible $\frac{3}{r}+\frac{4}{r-5}$ A) $\frac{15 r-7}{r(r-5)}$ B) $\frac{7 r-15}{r(5-r)}$ C) $\frac{15 r-7}{r(5-r)}$

Multiple Choice

Add. Simplify, if possible.
- $\frac{3}{r}+\frac{4}{r-5}$

A) $\frac{15 r-7}{r(r-5) }$
B) $\frac{7 r-15}{r(5-r) }$
C) $\frac{15 r-7}{r(5-r) }$
D) $\frac{7 r-15}{r(r-5) }$