Soal SMA · Soal cerita · Kesulitan 3/5
A school canteen sells two types of meal packages. Package A costs Rp15,000 and contains 2 portions of rice and 1 portion of vegetables. Package B costs Rp25,000 and contains 3 portions of rice and 2 portions of vegetables. A student buys a total of 20 portions of rice and 13 portions of vegetables. How many packages of each type did the student buy?
- A.7 Package A and 2 Package B
- B.9 Package A and 1 Package B
- C.3 Package A and 5 Package B
- D.5 Package A and 3 Package B
Kunci jawaban & pembahasan
Jawaban: 7 Package A and 2 Package B
Let A and B be the numbers of packages. 2A + 3B = 20 and A + 2B = 13. Solving gives B = 2 and A = 7.
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