Problem Solving (PS) | Re: Operating at the same constant rate, 4 identical machines can produce

4 machines in 1 minute = 220
so 1 machine in 1 minute = 220/4 = 55
so 10 machines in 1 minute = 55*10 = 550
so 10 machines in 5 minutes = 550*5 = 2750

Hence C answer

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