Please answer these Questions
<%= form_for([@question_group, @answer_group_builder]) do |f| %>
<%- @answer_group_builder.answers.each do |answer| %>
<%= f.fields_for("#{answer.question.id}", answer) do |answer_form| %>
<%= render_answer_form_helper(answer, answer_form) %>
<% end %>
<% end %>
<%= f.submit "Save" %>
<% end %>