WAEC WAEC Nigeria General Mathematics
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Commission and Discounts
Commission and Discounts
Understanding Commission
A commission is a fee paid to a person or company for conducting a transaction. It is often a percentage of the sales value.
For example, if a salesperson earns a 10% commission on sales, they receive 10% of the total sales amount as their earnings.
Calculating Commission
- Identify the total sales amount.
- Determine the commission rate (as a percentage).
- Calculate the commission using the formula:
Understanding Discounts
A discount is a reduction in the price of a product or service. It is usually given as a percentage of the original price.
For example, a 20% discount on a product means the price is reduced by 20%.
Calculating Discounts
- Identify the original price of the item.
- Determine the discount rate (as a percentage).
- Calculate the discount using the formula:
- Find the sale price by subtracting the discount from the original price:
Examples
Example 1: Calculating Commission
Worked Example
A real estate agent sells a house for ₦5,000,000 and earns a 5% commission. What is the commission?
Example 2: Calculating Discounts
Worked Example
A store offers a 15% discount on a television originally priced at ₦80,000. What is the sale price?
Tuity Tip
Hover me!
Tuity Tip: Always double-check your percentage calculations by converting the percentage to a decimal before multiplying.
Remember: A higher discount rate means a lower sale price, while a higher commission rate means more earnings for the salesperson.
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