explorer_app/app/views/metropolitan_divisions/index.html.erb
<h1>
<%= pluralize @metropolitan_divisions.size, "Metropolitan Division" %>
</h1>
<%= breadcrumbs "Metropolitan Divisions" %>
<%= render "table", metropolitan_divisions: @metropolitan_divisions, core_based_statistical_area: @core_based_statistical_area, combined_statistical_area: @combined_statistical_area %>