Conversions
Applications
Profit or Loss
Percentage Change
Finding a Percentage of a Quantity
100
Convert 0.6 to a percentage
60%
100

You get a 20% discount on a t-shirt that has a marked price of $100. How much did you pay?

$80

100

A town has gone from a population of 4000 people to 5000 people over 5 years. What is the increase in population as a percentage?

25% raise in the population

100
Increase 100 by 10%
110
100

30% of 100

30

200
Convert 1/10 to a percentage
10%
200

You decide to donate 10% of your allowance to a charity. If your allowance is $550, how much will you donate?

$55

200

Stewart purchases a car for $5000, and later sells is for $2000. Calculate the percentage loss?

60% loss

200
Decrease 90 by 10%
81
200
10% of 90
9
300
Convert .04 to a percentage
4%
300

A microwave cost $75, but it is on sale for 40% off. What is the sale price?

$45

300

Charlotte purchases material for $48 to build a dog kennel. She later sells it for $75. What percentage profit did she make? 

56.25%

300
Increase 10 by 35%
13.5
300
50% of 300
150
400
Convert 2/5 to a percentage
40%
400

A bag was 80 marbles in it. There are 20 green marbles, 30 blue marbles, 10 yellow marbles, and 20 purple marbles. What percentage of the bag is purple marbles?

25%

400

Which of the following stores is offering a better discount on their jeans and what is the discount:

Store A: Original price $90, sale price $76.50

Store B: Original price $70, sale price $58.10

Store B - 17%

400
Decrease $5 by 15%
$4.25
400
3% of 7
.21
500
Convert 123.5% to a decimal
1.235
500

In order to borrow enough money to buy the home she chose, Sally need to have 28% of the cost of the home. If the home cost $425,000, how much did she need to have?

$119,000

500

The number of copies of the school newspaper printed each term is listed below:

Term 1 = 60 copies

Term 2 = 120 copies

Term 3 = 200 copies

Term 4 = 360 copies

Between which 2 terms was the increase in newspapers the least, what percentage increase is this?

Between Term 2 and Term 3 = ~66.6%

500
Increase $70 by 42%
$99.4
500
8% of 1600
128