A. 
Selena makes 0.05 posters per minute 
Jason makes 0.2 posters per minute 
Kai makes 0.2 posters per minute 
Enrique makes 0.1 posters per minute 
Andre makes 0.5 posters per minute 
B. 
Selena makes the least posters per minute 
Andre makes the most posters per minute 
C. 
If Selena made 80 posters in 8 minutes, she would be making 10 posters per minute. 
Selena now makes the most posters and Enrique makes the least. 
Hope this helps!! :)