Respuesta :

Answer:

1 wall = 1 1/2 hours

2 walls = 3 hours

4 walls = 6 hours

5 walls = 7 1/2 hours

Step-by-step explanation:

Answer:

Step-by-step explanation:If it takes 3hr to paint 2 walls.It should take 7hrs and 30min to paint 5 walls.