Respuesta :
					                   The answer is C, then. 
[tex] \frac{4}{1} = \frac{15}{x} [/tex]
4 * 3.75 = 15.
1 * 3.75 = 3.75.
C or 3.75 is the answer.
					                
					             [tex] \frac{4}{1} = \frac{15}{x} [/tex]
4 * 3.75 = 15.
1 * 3.75 = 3.75.
C or 3.75 is the answer.
					                   15 divided by 4 routes completed per hour is 3.75 hours for the bus to complete the 15 routes. 
					                
					                
					             