Respuesta :
Answer:
It will take 24 hours to paint 90 doors
Step-by-step explanation:
4 hours per 15 doors
Multiply by 2
8 hours per 30 doors
Using same math
16 hours per 60 doors
24 hours per 90 doors
24 hours
Instead of telling you what I did you can also just add 15 up until you get 90
Instead of telling you what I did you can also just add 15 up until you get 90