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If 12 workers are needed to run 4 machines, how many workers are needed to run 20 machines?
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If 12 workers are needed to run 4 machines, how many workers are needed to run 20 machines?

User Zionyx
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(workers)/(machines) =(12)/(4)=(x)/(20)\\ 12*20=4*x\\ x=(12*20)/(4)=60\ workers
User Dan Mironis
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