A teacher has 24 candies. She gives 4 candies to each of her 3 students and then takes back 1 candy from each student. How many candies does she have left?
Answer
15 candies
The correct answer is 15 candies — Final amount is 15 candies.
Step-by-step solution
- Start with 24 candies.
- Give 4 candies to each of 3 students → 4×3=12 candies given.
- Subtract 12 from 24 → 12 candies left.
- Take back 1 candy from each of 3 students → 1×3=3 candies taken back.
- Add 3 to remaining candies → 15 candies left.
- Final amount is 15 candies.
Common mistake: Forgetting to add the candies taken back
Concept tested: Give and take with multiple recipients
Published · How this solution was prepared and checked
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