Percent Proportions
Percent of Change
Tax/Discount
Tip/Commission
Interest
100
12 is what percent of 80?
15%
100
a price increased from $14 to $22.
57%
100
If a couch costs $280 and you get a 15% off discount.  How much money will you get off?
$42
100
Joe sold a car $38,250 and earns 3% commissions on his sales.  How much did he make in commission?
$1147.50
100
Find the interest of a $100 principal at 5% for 10 years.
$50
200
Find 95% of 140.
133
200
Last week Joe ran 45 miles and this week he ran 34 miles.
24.4%
200
A video game is marked up 8%.  If the video game was $64.50, how much will the price increase?
$5.16
200
The dinner bill comes to $42.29.  If they plan to leave a 14% tip.  How much will they leave in tip?
$5.92
200
Find the interest of a $12,400 loan at 10% for 18 months.
$1860
300
52.5% of what number is 105
200
300
A computer went from $250 to $290.
16%
300
Find the final price of a $149.99 smart watch with a 7% tax.
$160.49
300
Emily makes 12.5% commission through selling makeup.  If her total sales last month were $1,840, what will be her take home pay?
$230
300
Lee borrowed $42,000 to remodel with a 4% simple interest rate to remodel his house.  How much total interest will he have paid after 3 years?
$5,040
400
There are 84 jars of jelly.  Of those, 21 are strawberry.  What percent of the jars are strawberry.
25%
400

Pep club had 120 members last year compared to 85 members this year.

29.2%

400
Jenny bought a bracelet that costs $86.39 and a matching necklace that costs $139.42.  Find the final cost of her purchase with a 7% tax.
$241.62
400
Thomas got a haircut from the barber.  If the haircut costs $32 and he wants to leave a 18% tip, how much will he pay in total?
$37.76
400
Beth took out a 6 month loan to buy furniture.  If her rate is 4% and paid a total of $28 in interest, calculate the original loan amount.
$1400
500
James has a goal of running 42 miles this week.  By Tuesday she had completed 20% of her goal.  How many miles had she ran by Tuesday.
8.4 miles
500
The cost of a gallon of gas changed from $2.15 to $2.68.
24.7%
500
A $799.99 TV is selling for 15% off. Find the final price of the television if the sales tax is 6%.
$720.79
500
Greg earns 2% commission on each car he sells, plus a base salary of $500 per week.  If his total sales in one week was $68,775, find this take home pay for the week.
$1875.50
500
Jessica took out a $84,000 loan to buy her grandmother a house.  After 10 years, she had paid $31,500 in interest.  What was her interest rate?
3.75%