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Answer :

Enochj0365go

Answer:

30 min

Step-by-step explanation:

1 butcher can prepare 1 cows in 2 hours

2 can prepare twice as fast 2/2=1 hour

4 can prepare 4 times as fast 2 hours/4=30 min

Check work

30 min*4=120 min=2 hours

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