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

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Billy can paint 1 flat in 6 days. With Zane's help, they can paint the same flat in 5 days. How many days would Zane take to paint the flat alone?