Question
Dylan and Andy, together, can clean a room in 4 hours. If Dylan is cleaning the room alone, he can only complete the task in 9 hours. How long will Andy take to clean a room all by himself? Express your answer in mixed number.
3 m

Click button first when a symbol is required. X

Dylan and Andy, together, can clean a room in 4 hours. If Dylan is cleaning the room alone, he can only complete the task in 9 hours. How long will Andy take to clean a room all by himself? Express your answer in mixed number.