I am trying to figure out which is correct in this sentence:<br/><br/>Over 800 family units rely on this invaluable resource booklet on a regular basis in their homes and workplaces. <br/><br/><br/><br/>or should homes and workplaces be singular<br/><br/><br/><br/>Over 800 family units rely on this invaluable resource booklet on a regular basis in their home and workplace. <br/><br/><br/><br/>