In a sale, normal prices are reduced by 10%. nathalie bought a pair of shoes in the sale for £54. what was the original price of the shoes?

The original price of the shoes was £60

Let be the original price of the shoes

We know that the original price minus 10% of the original price is equal £54, so we can translate this into an equation: x-10%x = £54. Notice that before solving our equation, is better to convert 10% to decimal so we can simplify our calculations; to do it, we are diving it by 100%:

Now we can rewrite our equation and solve for :

x-10%x = £54

We can conclude that the original price of the shoes was £60

- (2, -7)

- lines r and s and lines t and u must be parallel