# Category Archives: Percentages

## Cost Price Mark Up and Profit

Image Source: http://www.floridatoday.com In the next couple of lessons we are looking at the Mathematics of Retail Businesses. This will involve using Buying Selling and Discounting Formulas. This includes the retailer getting goods to sell, and applying a price increase … Continue reading

## Mathematics of the Melbourne Cup

Image Source: http://www.theepochtimes.com Bart Cummings is the “Cups King” – the horse trainer who has won more Melbourne Cup races than anyone. Long Live the King! In this lesson we look at some of the mathematics associated with Austrlia’s premier … Continue reading

## Percentage Discounts

Image Source: http://www.dobi.nu The above TShirts were made by the very talented designer Rob Dobi. You can buy Rob’s TShirts for around \$20 each online at the following link : http://www.merchline.com/fullbleed/ Let’s say that our favorite clothes shop is having … Continue reading

## Finding Percentage Amounts Using Decimals

Image Source: http://www.concordextra.co The above 45 gram Chocolate Bar contains 25% Sugar. How many Grams of Sugar are in this “Kit Kat” bar ? Using Percentages, we know that Percent means /100, and so we can set up: Grams of … Continue reading

## Percentage of Amount Using Fractions

Image Source: http://cdn.sheknows.com Let’s say we are making a Car Loan repayment, and we want to find the value of 10% of \$200. We are interested in doing this because our weekly Car Loan Payment is \$200 plus 10% Interest. … Continue reading