After a increase, the price of a bike is £. What was the price before the increase?
Answer and explanation
Correct answer: D. £75
- Step 1: A increase means the new price is times the original.
- Step 2: So original .
- Step 3: Divide: .
Answer
£75.
Why not the others: £72: This takes off the new price, but of £ is not the same as of the original. £70: This subtracts pounds, treating the percentage as a number of pounds. £108: This adds to £ instead of undoing the increase.
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