Multiply or Divide as Indicated $\frac { 4 x + 12 } { 10 } \div \frac { 5 x + 15 } { 15 }$

Multiple Choice

Multiply or divide as indicated.
- $\frac { 4 x + 12 } { 10 } \div \frac { 5 x + 15 } { 15 }$

A) $\frac { 9 x + 27 } { 25 }$
B) $\frac { 6 } { 5 }$
C) $\frac { 4 x + 12 } { 50 x }$
D) $\frac { 2 } { 15 }$