Respuesta :
					                   Depends. All multiples of 400, you could have many different options. For example, 400 buses 1 kid on ea. 40 buses 10 kids on ea. 
400x1=400
40x10=400
Just if the two numbers multiple to 400 it can be an answer
					                
					             400x1=400
40x10=400
Just if the two numbers multiple to 400 it can be an answer
 
			                  