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a person working with his cousin can refinish a table in 8 hours working alone his cousin can complete the job in 12 how long will it take to person to refinish the table or working alone
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a person working with his cousin can refinish a table in 8 hours working alone his cousin can complete the job in 12 how long will it take to person to refinish the table or working alone

User Tpdi
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Together, they refinish 1/8th table per hour. Alone, the cousin does 1/12th table per hour. So:
1/8-1/12=1/24
1/1/24=24 hours for the person to finish the table by themself
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User Elias Rezer
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