Percent Equation/
Percent Proportion
Percent Proportion
20% of 180
36
$1600 marked up by 33%
$2128
Find the total cost: $72 with a 20% discount
What is the formula used for Simple Interest?
I=P*R*T
New: 16,000
Original: 14,000
What is the percent change?
14.29%
75% of 480
$360
An item that cost the store $65 and is marked up by 40%. What is the selling price?
$91
$18.95 with a 15% discount
$16.11
P=$500
R=6%
T=2 years
Find I
I=$60
The selling price of a home was dropped from $200,000 to $190,000. What was the percent change?
5%
What percent of 25 is 6?
24%
Find the selling price of a $20 item with 15% markup.
$23
$149 with 40% discount
$89.40
You deposit $5000 in an account that earns 5% simple interest. How much interest will it earn in 4 years?
$1000
What is the percent change on a DVD player that is marked down from $400 to $350?
12.5%
What number is 48% of 75?
36
An item costs a store $110. Find the selling price if the store marks up their cost by 140%.
$264
If a shirt that originally costs $64 is on sale by 24%, what is the sale price?
$48.00
You borrow $600 from your parents at 4% interest for 3 years. How much interest will you pay them?
$72
My real estate agent told me that my house had appreciated in value over the last three years. In other words, it has gone from being worth $102,500 to being worth $111,000. What is the percent increase in the value of my house?
7.66%
70% of what number is 35?
50
Find the original price if the store is selling the item at $239 after a 10% markup.
$215.10
$35 with 18% discount and 3% tax
$29.56
P=$20,000
I=$1,800
T=2 years
Find Rate
R= 4.5%
Four feet are cut from a 12-foot board. What is the percent change in length?
33.3%