Soal SMA · Soal cerita · Kesulitan 4/5
A researcher found that in a certain town, the number of people who read newspapers decreases by 10% each year. If there were 10,000 readers in 2020, which prediction is most reasonable for 2023?
- A.About 7,290 readers
- B.About 7,000 readers
- C.About 8,100 readers
- D.About 9,000 readers
Kunci jawaban & pembahasan
Jawaban: About 7,290 readers
After 3 years of 10% annual decrease: 10000×(0.9)³ = 7290 readers.
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