A 12th‑century burial ground has 200 graves. If 15% are of royal family, how many royal graves are there?
Answer
30
The correct answer is 30 — Conclude there are 30 royal graves.
Step-by-step solution
- Calculate 15% of 200 by multiplying 200 by 0.15.
- Show calculation: .
- Conclude there are 30 royal graves.
Common mistake: Miscalculating the percentage or using incorrect multiplier
Concept tested: Using percentages in archaeological data
Published · How this solution was prepared and checked
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