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To find out how many workers are needed to run 20 machines, first determine the worker-to-machine ratio from the given information. If 12 workers are needed for 4 machines, that means 3 workers are needed per machine (12 workers ÷ 4 machines). Therefore, for 20 machines, you would need 60 workers (20 machines × 3 workers per machine).
less money need more workers
All workers were needed
a commodity
Ovaries
Cuz they helped workers
Workers
For houses, insulation is needed to keep the house warm in winter.
the government helped the west Indians because they needed workers and they had to keep then or no workers
It was morally acceptable at the time, and physically possible, and they needed the workers.
Crystal Palace closed because they needed to rebulid, re-surface and change the state of it.
60 multiply 12 x 20=240 then divide 240 by 4=60