Respuesta :
					                   Answer: 
110
step-by-step explanation:
You havew 100 then add 100 then it becomes 200, you then subtract 200 and now you have 0 you then add 90 and add 20 which equalls to 110
					                
					             110
step-by-step explanation:
You havew 100 then add 100 then it becomes 200, you then subtract 200 and now you have 0 you then add 90 and add 20 which equalls to 110
 
			                   
					                  