Steve can paint a room three times as fast as billy. when they work together, steve and billy can paint a large room in 4 hours. how many hours would it take billy to paint it by himself?

16 hours

Step-by-step explanation:

Let x be the number of hours taken by Billy to paint a room by himself.

Speed of Billy

Since, Steve can paint a room three times as fast as Billy.

Then , speed of Steve =

If they worked together to paint a large room in 4 hours the we have the following equation:-

The time taken by Billy to paint the large room by himself = 16 hours

Step-by-step explanation:

15*24 is going to be 360 so then you do 360-36 and you will get 324 idk if this will help but here