Question
Ivan can paint 1 villa in 4 days. With Valen's help, they can paint the same villa in 3 days. How many days would Valen take to paint the villa alone?
4 m

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Ivan can paint 1 villa in 4 days. With Valen's help, they can paint the same villa in 3 days. How many days would Valen take to paint the villa alone?