Year 8 Interactive Maths - Second Edition

Discount

Shopkeepers sometimes allow the customers to have the article for less than the marked price.  For example, if the marked price is $40, the shopkeeper may sell the article for $30.  The $10 that has been deducted from the marked price is called a discount.

Discounts are often expressed as percentages, and then always as a percentage of the marked price.

So, if an article marked at $40 is sold for $30, then:

We say that the article has been discounted by twenty-five per cent.

Example 14

A jeweller discounts a watch marked at $120 by 25%.
a.  How much is the discount?
b.  What will a customer pay for the watch?

Solution:

Key Terms

discount, marked price