A bag cost $40. Its price went up by 15%. What is the new price of the bag?
- $6
- $34
- $46
- $55
Worked answer
- 15% of $40 = $6. That is the increase.
- New price = $40 + $6 = $46.
Answer: $46
The mistake this question tests
Habit
Found the increase, not the new price
You found the increase ($6) and stopped. The question asks for the new price.
How to fix it at home →Wrong answers children often give:
- $6 Found the increase, not the new price
- $34 Calculation slip
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See the answer →Practise PSLE percentage until the mistakes stop.
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