The table shows the relationship between the wait time in minutes and the number of people in line. Is there a direct variation? If so, what is the constant of proportionality (k)? * 1. No, there is no direct variation
2. Yes, there is a direct variation; k = 13 minutes per person
3. Yes, there is a direct variation; k = 17 minutes per person
4. Yes, there is a direct variation; k = 20 minutes per person
5. Other: