Question

A bookstore had 75 copies of a magazine. Yesterday it sold 2/5 of them. Today it sold 3/5 of what remained. How many copies does the bookstore have left

Answer 1

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.

Answer 2

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

Explanation: