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 :)
the awsner is 208 you ÷52 by 5 and then ×that by 20
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