Respuesta :

asiahcolon

Answer:

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Do people use the calculator anymore? 75-15=60. 60-35=25. The answer is 25 copies.

Step-by-step explanation:
1st day: (2/5)(75) = 30 sold

2nd day: (3/5)(45) = 27 sold

So, 57 were told all together, and there were 18 left.