it takes 10 road workers 5 days to complete a road repair when working 2 hours a day.Working at the same pace,how many days will it take 2 people working 5 hours a day to finish it?
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1 road worker would take 50  days working 2 hrs a day. And 100 days working 1 hr a day. It would take 20 days for the worker working 5 hrs a day. Therefore, it would take 2 workers 10 days.

OR: 2 workers would take 25 days at 2 hrs a day and 50 days at 1 hr a day, so it would take 10 days working 5 hrs a day.

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