Answer:
125 copies per minute
Explanation:
divide the 500 copies by 4 mins which will give the amount of copies it makes every 1 minute
500 / 4 = 125
125 copies per minute.
For every 4 minutes, 500 copies are made. By dividing, 4 by 4, you result in 1 minute. Do the same for 500, and you end up with 125 copies.
Therefore, the answer is 125 copies per minute.
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