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If 18 workers finish a job in 26 days, how many workers are needed to finish it in 12 days?

Question: If 18 workers finish a job in 26 days, how many workers are needed to finish it in 12 days?
  • A. 39 ✓
  • B. 36
  • C. 30
  • D. 42
Correct Answer: A. 39
Explanation: Using inverse proportion: W₁D₁ = W₂D₂ → 18×26 = W×12 → W=39

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