help me please .... Working alone, Jacob can clean an attic in
11 hours. One day his friend Ryan helped
him and it only took 5.24 hours. How long
would it take Ryan to do it alone?

Respuesta :

Answer:

3.875 hours

Step-by-step explanation:

not 100% sure if this is correct but if it is let me know and i'll show the steps . . .