Reverse Percentages Finding the original price after deduction or increase Let's do the first one together: A radio sells for £63, after a 40% increase. - ppt download
3 Ways to Calculate a Discount - wikiHow
Original Price Calculator - Calculator Academy
Finding the original price from the sale price - YouTube
Percent Change Calculator - Inch Calculator
3 Ways to Calculate a Discount - wikiHow
3 Ways to Calculate the List Price of an Item on Sale - wikiHow