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The price of petrol decreases from £1.32 per litre to £1.02 per litre - OCR - GCSE Maths - Question 2 - 2023 - Paper 4

Question 2

The price of petrol decreases from £1.32 per litre to £1.02 per litre. Calculate the percentage decrease in the price.

Worked Solution & Example Answer:The price of petrol decreases from £1.32 per litre to £1.02 per litre - OCR - GCSE Maths - Question 2 - 2023 - Paper 4

Step 1

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Answer

To find the decrease in price, subtract the new price from the original price:

ext{Decrease} = ext{Original Price} - ext{New Price} = £1.32 - £1.02 = £0.30

Step 2

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Answer

The percentage decrease can be calculated using the formula:

ext{Percentage Decrease} = rac{ ext{Decrease}}{ ext{Original Price}} imes 100

Substituting the values:

ext{Percentage Decrease} = rac{£0.30}{£1.32} imes 100 \approx 22.73 ext{%}

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