lynlkl880 lynlkl880
  • 11-01-2024
  • Chemistry
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A, B, and C can do a piece of work in 20, 30, and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day? a. 12 days b. 15 days c. 16 days d. 18 days.

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