Engineering, 22.10.2021 22:20 ayoismeisalex
2 A tunnelling machine drills 500 metres. Use your values from
the table to estimate the cost of drilling if the firstmetre costs
£X and each extra metre costs £Y.
Answers: 2
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2 A tunnelling machine drills 500 metres. Use your values from
the table to estimate the cost of d...
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