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Percents

# Percentages

Calculate the initial capital after a percentage increase or decrease

In a sale, there is a rack of blouses marked "All prices in this rack are reduced by 20%!".
The one I choose now has a discount of £45. How much did it cost before the sale?

$\frac{20x}{100}=45\;20x=4500\;x=225$
The price of the blouse before the sale was £225

The 30% of is 300