Question
Sarah and Winnie take 3 hours to clean the villa together. If Sarah takes 5 hours to clean the villa on her own, how long will it take Winnie to clean the villa alone?
3 m

Click button first when a symbol is required. X

Sarah and Winnie take 3 hours to clean the villa together. If Sarah takes 5 hours to clean the villa on her own, how long will it take Winnie to clean the villa alone?