7 teams compete in a track competition. If there are 15 events in the competition, no event ends in a tie, and no team wins more than 3 events, what is the minimum possible number of teams that won at least one event?
Pick one:
A) 3  B) 4  C) 5  D) 6  E) 7
3(max wins) x 5 = 15 (5 teams win three events)   The answer is 5.
<result>C</result>
7 teams compete in a track competition. If there are 15 events in the competition, no event ends in a tie, and no team wins more than 3 events, what is the minimum possible number of teams that won at least one event?