Soal SMA · Soal cerita · Kesulitan 2/5
An English competition charges an entry fee of Rp50,000 per participant plus a fixed administrative cost of Rp300,000. Another competition charges Rp80,000 per participant with no administrative cost. For how many participants are the total costs of the two competitions equal?
- A.8 participants
- B.10 participants
- C.12 participants
- D.15 participants
Kunci jawaban & pembahasan
Jawaban: 10 participants
Let p be the number of participants. Setting 300,000 + 50,000p = 80,000p gives 300,000 = 30,000p, so p = 10.
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