Respuesta :
					                   The equation could be set up for one day as: 
y = 2x + 4
Or---
If you need a time variable for each day:
Let t = number of days
y = (2x + 4)t
					                
					             y = 2x + 4
Or---
If you need a time variable for each day:
Let t = number of days
y = (2x + 4)t
 
					                  