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lesya692 [45]
3 years ago
15

Demetrius return 5 library books last week return 3 books this week and then checked out 8 more but he now has 12 library books

how many books did he have before last week
Mathematics
1 answer:
Svet_ta [14]3 years ago
4 0
The number of books he had is 16
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This problem, like any other quadratic equation, has two roots.  Note that the fourth possible answer constitutes one part of the two part solution found above.
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