Respuesta :

It will take 3 workers to paint the same house in 4 hours. 
s1m1
2 workers in 7 hours painted 1 house so

1 worker in 14 hours paints 1 house

3 worker will need 14/3 hours to paint 1 house

14/3= 4 hours and 2/3 of an hour
4 hours and 2• 60/3 minutes
4 hours and 40 minutes