After a 20% increase a price is £90. What was the original price?
Answer and explanation
Correct answer: D. £75
- Step 1: The new price is 120% of the original: .
- Step 2: Original .
Answer
£75.
Why not the others: £72: 20% of 90 was subtracted. £108: 20% was added again. £70: £20 was subtracted rather than a percentage.
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