IDNStudy.com, kung saan ang iyong mga tanong ay may malinaw na sagot. Anuman ang kahirapan ng iyong mga tanong, ang aming komunidad ay may mga sagot na kailangan mo.

in amedical trial, there are 54 patients. twenty-eight receive treatment B, 31 receive treatment A, and 11 receive both treatments. how many patients did not undergo any of the treatments?