How can number incorporation be used for time signs?

David works in the police force. he is mainly in charge of crime prevention, detection, and maintaining order. he works at the rank of a .

A30 year old man comes to the emergency room complaining of severe abdominal pain most of his body is covered with tattoos and he has several body piercings he informs the staff that he does not have health insurance

Which is the correct definition of an economy ?