Question
Riordan can paint 1 villa in 6 days. With Zeph's help, they can paint the same villa in 5 days. How many days would Zeph take to paint the villa alone?
4 m

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Riordan can paint 1 villa in 6 days. With Zeph's help, they can paint the same villa in 5 days. How many days would Zeph take to paint the villa alone?