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  • 09-11-2019
  • Mathematics
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A father and his son can clean the house together in 3hours. When the son works alone it takes am hour longer to clean than it take his dad alone. Find how long it takes the son to clean alone

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me111222999888
me111222999888 me111222999888
  • 09-11-2019
It takes 10 hours to clean
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