Charles is training for a triathlon, a timed race that combines swimming, biking, and running. consider the following sentence: because his pool sessions are him swim more quickly, charles plans to reduce by 1 hour per week the time he spends training on the bike and increase by 1 hour the time he spends in the swimming pool; however, his wife says that he should stop doing any biking and running and spend all 20 hours per week in the pool. which basic principle of individual choice does charles's plan illustrate that his wife's advice does not? many decisions are made on the margin. people usually exploit opportunities to make themselves better off. resources are scarce. all costs are opportunity costs.

The answer is c) it has a lower cost to attend 

The land can lead to a new world power #buildthewall

In the 10th grade, i was teamed up in a group of four. our project was on modern history. altho it seemed super hard for many of us. patrick fleming  took charge and showed us the understanding of this project.  his leadership showed great ethics and it taught me, personally, how to others understand, not just to show them, but explain it thoroughly. and altho he was a great teacher i would have changed a few things. one being his attitude. many times he would get frustrated and impatient with the group.  i think  a leader i would have done exactly  what he did but with much more patience and be there more to explain. such as lunch  learning. and giving everybody a chance to try to explain it in their  head.