A coastal town records an average rainfall of 1000 mm each in June and July. If August rainfall increases by 15%, what is the total rainfall for June, July, and August?
Answer
3150 mm
The correct answer is 3150 mm — Sum the three months: mm.
Step-by-step solution
- Compute 15% of 1000 mm: mm.
- Add this to August’s base rainfall: mm.
- Sum the three months: mm.
Common mistake: Adding 15% to the total rainfall instead of to August alone
Concept tested: Percentage increase in rainfall
Published · How this solution was prepared and checked
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