Mrs. herrera's 5th grade class is taking a test. latrell raises his hand, and mrs. herrera walks 7.4 meters down to latrell's desk to answer his question. then beth raises her hand, and mrs. herrera walks 5.8 meters to latrell's right to answer beth's question. mrs. herrera then walks diagonally back to the front of the class where she was before. how far did mrs. herrera walk in total? if necessary, round to the nearest tenth