Machine production with breakdowns

Secondary 2

TGM Original Questions

Eighteen identical machines produce \(64\,800\) bottles in \(6\) hours. On another day, \(84\,000\) bottles are required but six machines are not working. How long must the operating machines run?

Solution:

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Answer:\(\frac{35}{3}\) h, or \(11\) h \(40\) min.

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