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It takes Greg and Nikki a total of 40 minutes to paint a room if...

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Basic Math

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It takes Greg and Nikki a total of 40 minutes to paint a room if they work together. If Greg works alone, he takes 18 minutes longer to paint he room than Nikki takes if she works alone. When x represents the number of minutes it takes Nikki to paint the room working alone, the situation is represented by this equation: 1/x + 1/x+18 = 1/40Which value is a solution of the rational equation that must be discarded because of the context? A. x=0B.. X=-10C. x= -18D. X=-72

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