Express as the Logarithm of a Single Expression $\log _ { 10 } 25 + \log _ { 10 } 3 - \log _ { 10 } 15$

Multiple Choice

Express as the logarithm of a single expression. Assume that variables represent positive numbers.
- $\log _ { 10 } 25 + \log _ { 10 } 3 - \log _ { 10 } 15$

A) $\log _ { 10 } 13$
B) $\log _ { 10 } 5$
C) $\log _ { 10 } \frac { 1 } { 5 }$
D) $\log _ { 10 } \frac { 75 } { 15 }$