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Mathematics, 15.07.2019 20:00 hannahbear16841
Working alone, bill can paint a house in 4 hours. when tom , the job takes 2.5 hours. if tom worked alone, how long would it take him to paint the house ?
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Working alone, bill can paint a house in 4 hours. when tom , the job takes 2.5 hours. if tom worked...
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