Soal SMA · Soal cerita · Kesulitan 2/5
A shipment of English textbooks is packed in two box sizes. A small box holds 20 books and a large box holds 35 books. A total of 25 boxes were shipped, containing 710 books. How many large boxes were shipped?
- A.10 boxes
- B.12 boxes
- C.14 boxes
- D.16 boxes
Kunci jawaban & pembahasan
Jawaban: 14 boxes
Let L be large boxes and S small boxes. From L + S = 25 and 35L + 20S = 710, substituting S = 25 - L gives 35L + 500 - 20L = 710, so 15L = 210 and L = 14.
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