Respuesta :
					                   it  will take 20 people to paint 5 walls in 52/4 = 13 minutes 
so time for 20 people to paint 20 walls = 4 * 13 = 52 minutes
Hope this satisfies your query! Have a good one :)
					                
					             so time for 20 people to paint 20 walls = 4 * 13 = 52 minutes
Hope this satisfies your query! Have a good one :)
 
			                  