Two grandparents want to pick up the mess that their granddaughter had made in her playroom....

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Two grandparents want to pick up the mess that their granddaughter had made in her playroom. One can do it in 18 minutes working alone. The other, working alone, can clean it in 8 minutes. How long will it take them if they work together? SOD It would take the grandparents minutes and [ seconds to clean the room together. (Simplify your answer. Round the final answer to the nearest integer as needed. Round all intermediate values to the nearest hundredth as needed.) Two grandparents want to pick up the mess that their granddaughter had made in her playroom. One can do it in 18 minutes working alone. The other, working alone, can clean it in 8 minutes. How long will it take them if they work together? SOD It would take the grandparents minutes and [ seconds to clean the room together. (Simplify your answer. Round the final answer to the nearest integer as needed. Round all intermediate values to the nearest hundredth as needed.)

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