Joshua takes 15 minutes to reach his school. He has to be at the school at 7:00 a.m. every day. Therefore, he decides that he has to leave home at 6:45 a.m. every day to reach on time. Which of the following types of reasoning does Joshua use to arrive at this decision?
A) ​Decisive reasoning
B) ​Deductive reasoning
C) ​Comparative reasoning
D) ​Inductive reasoning
E) ​Qualitative reasoning