How do you calculate the original price from a new price after a percentage increase?
GCSE Maths - Reverse Percentages - Calculating The Cost Before The Discount #96
Interactive Video
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Mathematics
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9th - 10th Grade
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Hard
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The video tutorial explains reverse percentages, demonstrating how to find original prices after percentage changes. It covers examples like house price increase, sunglasses sale, car depreciation, railway ticket price increase, and dress sale. The key technique involves calculating the value of 1% to determine original prices.
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3 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain the process of finding 1% when given a new price after a percentage decrease.
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
During an 18% summer sale, a dress was reduced by £8.10. What was the original price of the dress?
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