Question
Elyse and Hilda take 2 hours to clean the flat together. If Elyse takes 3 hours to clean the flat on her own, how long will it take Hilda to clean the flat alone?
3 m

Click button first when a symbol is required. X

Elyse and Hilda take 2 hours to clean the flat together. If Elyse takes 3 hours to clean the flat on her own, how long will it take Hilda to clean the flat alone?