Civil Service Exam Reviewer · Word Problems · hard
If students sit 3 to a bench, 12 students have no seat. If they sit 4 to a bench, 3 bench(es) are left empty. How many students are there?
- 24
- 84
- 96
- 72
Answer
B. 84
Solution
Let b = benches: 3b + 12 = 4(b − 3) → b = 24. Students = 3(24) + 12 = 84.
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