(base) ➜ advanced_ar git:(assignment7) ✗ ruby -v ruby 2.5.0p0 (2017-12-25 revision 61468) [x86_64-darwin18] (base) ➜ advanced_ar git:(assignment7) ✗ rails -v Rails 4.2.0 (base) ➜ advanced_ar git:(assignment7) ✗ bundle -v Bundler version 1.17.3 (base) ➜ advanced_ar git:(assignment7) ✗