question_answer

Simplify: \[\left( \frac{15}{3}\times \frac{6}{12} \right)\div \left( \frac{19}{38}\times \frac{2}{3} \right)-\left( \frac{13}{11}\times \frac{55}{5} \right)\]

A)  \[\frac{11}{2}\]                        

B)  \[\frac{19}{23}\]

C)  \[\frac{-21}{28}\]                                 

D)  \[\frac{-11}{2}\]

E)  None of these