What does the term "of" mean?
"of" means multiply
How do you create a percentage using two numbers?
First Number and Second Number

Describe what will need to be done to Increase $60 by 20%
(no need to calculate just explain)
Find 20% of $60
Then add the number found with $60
How is Profit calculated?
What is GST?
GST means Goods and Services Tax.
It is a federal tax on goods in Australia.
It is 10% of the purchased price of the item.
Describe the process of finding Discount
Example: 5% discount on a computer priced at $1490
[need to explain to get the answer]
Find the percentage of the item.
Minus the discount with the original price.
How is Loss calculated?
Cost Price - Selling Price
What does Best Buy mean?
What can you do when you find 10% of something?
1. Take the one Zero from the end away.
2. Move the decimal point one place to the left.
What is needed to be done if the two numbers do not have the same units?
Example
28 cm and 1.4m
Convert the units so that they are the same
What is the same and difference between Percentage Increase and Percentage Decrease?
Same: You need to find the percentage of the number.
Different: Increase means plus and Decrease means minus
How can you find the percentage loss?
Find the loss and divide by cost price. Then multiply by 100%
How is GST found?
You need to find 10% of the item and add the number found to the price of the item
Calculate the discounted amount for the item.
Microwave over priced at $235, discount 10%
$23.50
Calculate the profit if a car cost $45 800 and is sold at a 26% profit
$11 908
Calculate the unit cost of
6 eggs for $2.89
1 egg will cost $0.48
2.5
Express the Quantity as a percentage
$10 and $20
50%
Increase $50 by 10%
$55
Calculate the Profit if
Cost Price = $50
Selling Price = $75
Find the GST of a camera worth $710
Find the New Price. If a washing machine is priced at $240 and discounted at 20%
20% x 240 = 48
240 - 48 = $192
A computer with a cost price of $740 is sold at a loss of 15%
Find the new price.
$629
Determine the unit cost for the item in cents
100g of biscuits for $3.96
3.96 cents for 1g of biscuit
Find 50% of 400 L
200 L
Express the Quantity as a percentage
10 km and 50 km
20%
Increase $20 by 26%
$25.20
Calculate the Percentage Profit if
Cost Price = $60
Selling Price = $75
25% Percentage Profit
Calculate the final price for a Sports watch worth $32.40 (GST excluded)
$35.64
At a sale, a watch is priced at $380 and discounted by 20%.
How much do you save on the watch?
$76 is saved on the watch
Calculate the cost price if the selling price is $169 for a profit of 30%
169\div130%=130
Determine the best buy from the pairs (by price)
ALDI Chicken: $7.99 for 500 g
Coles Chicken: $11.99 for 700 g
ALDI Chicken is cheaper
Find 75% of $240
$180
Express the Quantity as a percentage
24 months and 5 years
40%
A pair of sports shoes are priced at $130. What is the new price if the shop increases all prices by 15%?
$149.50
Calculate the Percentage Loss if
Cost Price = $50
Selling Price = $35
30% Percentage Loss
What is the price (Before GST) is added for a TV that is paid at $1158?
GST is
1158/11=$105.27
Then Minus to get $1052.73
If there is a sale tax of 5% for an item worth $500. What is the total amount that must be paid?
$525
Calculate the cost price of an item if the selling price is $48.40 for a loss of 45%
$48.40\div55%
$88
Determine the best buy for biscuits at three different sizes
Regular Size: 600 g for $1.65
Family Size: 1 kg for $3.10
Snack Size: 325 g for 91c
Regular Size is the best buy