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Two layouts require material to travel \( 180 \) m and \( 115 \) m per tonne through the plant. Choosing the shorter reduces travel by

  • A.36.1 per cent
  • B.56.5 per cent
  • C.65.1 per cent
  • D.22.6 per cent

Answer: A

Correct answer: 36.1 per cent

\[ \frac{180 - 115}{180} \times 100 = 36.1\% \]

Travel distance is a fair proxy for handling cost, damage and time in a food plant, which is why layout studies work in metres per tonne.

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