On Thursday morning a bakery owner prepared by baking several pies and decorateing cupcakes she spent 90 minutes baking the pies and an average of 1.2 minutes decorating each cupcake in Friday she spent 58 minutes baking pies and decorating the same number of cupcakes at an average of 1.7 minutes per cupcake if she spent the same total amount of time preparing on Thursday as she did on Friday how many cupcakes did she decorate each day