Priya's spelling test score increased from 60 marks to 75 marks. What is the percentage increase in her score?
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Worked Solution
Step 1: Find the actual increase in marks.
75 − 60 = 15 marks.
Step 2: Express the increase as a percentage of the original (starting) score.
Percentage increase = (increase ÷ original score) × 100
= (15 ÷ 60) × 100
= 25%
Answer: The percentage increase in Priya's score is 25%.
Correct answer: 25%
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