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A can finish a task in 10 days working 6 hours a day. B can finish it in 12 days working 5 hours a day. If both work 8 hours a day together, how many days will they take?

Competition practiceTime & Work / Pipes
  • A3 3/4 days
  • B4 days
  • C5 days
  • D3 1/2 days

Step-by-Step Solution

A needs 60 hours, B 60 hours. Together of the task per hour: 30 hours at 8 a day = days.
Answer: A) 3 3/4 days

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