Soal SMA · Latihan campuran · Kesulitan 3/5
A survey of 500 students showed that 60% prefer online learning, 30% prefer face-to-face, and 10% have no preference. If 25% of those who prefer online learning also report difficulty concentrating, how many students is that?
- A.50
- B.60
- C.75
- D.90
Kunci jawaban & pembahasan
Jawaban: 75
60% of 500 is 300 online learners; 25% of 300 is 75 students who report difficulty concentrating.
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