Percents and Decimals
Percent Proportion
Percent of Change
Percent Application
Simple Interest
100
What is 0.3 as a percent?
30%
100
What percent of 72 is 54?
75%
100
Find the percent of change:


27 is decreased to 20

-25.9%
100

Jacey wants to buy a pair of jeans. They are on sale for 20% and they originally cost $68. What will Jacey pay for the jeans?

$54.40

100
Find the interest at $225 at 10% for 3 years.
$67.50
200
What is 3/5 as a percent?
60%
200
What percent of 35 is 7?
20%
200
Find the percent of change:


32 is increased to 67

+109.4%
200
Find the commission:


$12,500 in sales

3.25%

$406.25
200
Find the interest at $775 at 8% for 5 years.
$310
300
Order fro least to greatest:


0.3, 19/40, 22%

22%, 0.3, 19/40
300
11 is 22% of what number?
50
300
The regular price of an MP3 player at TechSource is $79.99.  This week the MP3 player is on sale for 25% off.  What is the sales price?
$59.99
300

Rohan needed a new bike in Seattle. The bike costs $250 and Seattle has a sales tax of 9.25%. What will Rohan pay for the bike?

$273.13

300
Sue's aunt deposited $3000 into a savings account as a college fund.  How much will be in this account for Sue after 5 years, if the account earns a yearly simple interest rate of 3.5%?
$3525
400
The police monitored that during one hour, 6 out of 25 cars were traveling above the speed limit.  What percent of the cars were not traveling above the speed limit?
76%
400
In 2002 World Cup, 5 out of 32 soccer teams that competed were from South America.  What percent of the teams were from South America?
15.6%
400
Winter Wonders buys snow globes from a manufacturer for $9.20 each and sells them at a 95% increase in price.  What is the retail price of the snow globes?
$17.94
400

Jadiel needed new shoes. The store was having a sale where everything was 30% off. He found Jordans he liked for $125. Then he remembered he needed socks too. Socks were $24 for a pack. He bought two packs. How much was Jadiel's total after the discount?

$121.10

400
Tom invested $3500 in a mutual fund at a yearly rate of 6%.  He earned $945 in interest.  For how long was the money invested?
4.5 years or 4 years and 6 months
500
In a survey, 80 students were asked to name their favorite subject.  Thirty students said English was their favorite.  What percent is this?
37.5%
500
An artist's collection of paintings includes 22 portraits.  The portraits make up 40% of the collection.  How many paintings are in the collection?
55
500
The Big Bike Shop has in-line skates on sale for 15% off the regular price.  A pair of in-line skates usually costs $89.  Find the amount of discount and the sale price.
$13.35

$75.65

500

Jake and his friends went out to dinner. Their total was $78.90. Jake had a coupon for 15% off. In Florida, his tax was 7.5%. What was the final cost of the bill?

$72.09

500
To pay for her college expenses, Jenn borrows $7000.  She plans to repay a loan in 5 years at a simple interest. If she repays a total of $9,187.50, what is the interest rate?
6.25%
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