Answer:
We will get it by getting difference between worker and educated people.
Unemployment rate = Educated people - Employers (workers)
Explanation:
Rafael y Estela han caminado al correo.
That is the most exact translation, it was a <u>periphrasis</u> (conjugated verb + impersonal verb).
<h3><em><u>MissSpanish</u></em></h3>