Soal SMA · Soal cerita · Kesulitan 2/5
A library in Bandung is reorganizing its English novels. On the first day, a librarian arranged 3 shelves and had 15 books left unplaced. On the second day, she arranged 5 shelves in the same way and had 3 books left unplaced. If each shelf holds the same number of books, how many books can one shelf hold?
- A.4 books
- B.5 books
- C.6 books
- D.7 books
Kunci jawaban & pembahasan
Jawaban: 6 books
Let s be the number of books per shelf and T the total number of books. Then T = 3s + 15 and T = 5s + 3. Equating them gives 2s = 12, so s = 6.
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