Respuesta :
					                   Answer:9
Explanation: You stated that you had 15 stamps and 6 are new! If you wanted to know how many are old you would subtract the total amount by the new ones :)
					                
					                
					             Explanation: You stated that you had 15 stamps and 6 are new! If you wanted to know how many are old you would subtract the total amount by the new ones :)
 
					                  