Mathematics, 15.01.2020 20:31 ultimateapes
Each good worker can paint my new house alone in 12 hours. each bad worker can paint my house alone in 36 hours. i need my house painted in 3 hours. if i can only find 3 good workers, how many bad workers must i also find in order to have my house painted on time?
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Each good worker can paint my new house alone in 12 hours. each bad worker can paint my house alone...
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