Conversion
Percent Proportion
I=PRT
% Inc or Dec
Markup / discount
100

Write the percent as a fraction or mixed number in simplest form:  75%

3/4

100

Find 35% of 300

105

100

During peak season, a hotel room costs $115 per night.  During the off-season, it costs $80 per night. Find the percent of change from peak season to off-season. State whether the change is an increase or decrease.  Round to nearest tenth.

30.4% decrease

100

Owen wants to buy a snowboard that costs $525.  If there is a 5% sales tax added, what is the total cost of the snowboard?

$551.25

200

Write the percent as a fraction or mixed number in simplest form:  450%

4  1/2

200

34 is 68% of what number?

50

200
What is the simple interest to the nearest cent of $1200 invested at 3% for 5 years?


$180

200

Find the selling price for each item given the cost and the percent of the markup:  Jeans are $32 with a 40% markup

$44.80

300

Express as a percent:  0.81

81%

300

60 is what percent of 180?

33.3333...%

300

Find the percent of change.  Round to the nearest tenth, if necessary.  State whether the percent of change is an increase or a decrease:  From 87 ft to 21 ft.

75.9%

300

Find the selling price for each item given the cost and the percent of the markup:  LED room lights are $45 with a 33% discount.

$30.15

400

Express as a percent.: 11/10

110%

400

The capacity of a fish tank is 44 gallons.  If the aquarium is 23% filled, how many gallons are in the tank?

10.12 gal

400

Calculate the simple interest on a savings account that has a starting balance of $3950 and has an interest rate of 3.5% for 18 months

$207.38

400

A salon buys the shampoo and condition set for $8.  They put a 300% mark-up on the product.  The store decides to have a sale on all of their hair products.  Find the price of the shampoo and conditioner set if it is on sale for 25% off and has a 6% sales tax.  

$25.44

500

Express as a percent: 0.002

0.2%

500

A loan of $7400 has been give from the bank at 9.5% interest for 1/4 years.  How much TOTAL do you need to pay the bank back?

175.75 + $7400 = $7,575.75