Answer:
It would take approximately 1.17 hours to paint one wall. The closest answer is b) 1 hour.
Step-by-step explanation:
If you can paint 12 walls in 14 hours, to figure out how long it takes to paint one wall, divide the total time by the number of walls.
Time to paint one wall = Total time taken / Number of walls
Time to paint one wall = 14 hours / 12 walls
Time to paint one wall = 1.17 hours per wall
I hope this can help you :D