Percent Proportions
At a regional art festival, 18% of the total artwork sold were oil paintings. If exactly 27 oil paintings were sold, how many total pieces of artwork were sold at the festival?
150
The ratio of apples to oranges in a fruit basket is 2 to 3.
If there are 12 apples in the basket, how many oranges are there?
18
A family car travels 120 miles in 2 hours at a constant speed.
At this same speed, how far will the car travel in 5 hours?
300
What is 16% of 250?
40
A collection of books is priced at $80, if you get a 15% discount, how much do you pay for the collection of books?
$68
A local electronics retailer purchased a sound system for $360. To determine the retail price, the store marked up the cost by 35%. What was the dollar amount of the markup?
$126
A cookie recipe uses 9 cups of flour for every 6 cups of sugar.
If a baker uses 12 cups of flour, how many cups of sugar do they need?
8
An office printer prints 45 pages in 3 minutes.
At this rate, how many pages can it print in 8 minutes?
120
What percent of 80 is 28?
35%
A store buys a bicycle for $150 and marks it up by 20%.
Then, a customer uses a 10% off coupon on the marked-up price. What is the final price?
$162
During a citywide charity drive, 42% of the registered donors were first-time contributors. If 252 people were first-time contributors, how many total donors participated in the charity drive?
600
The ratio of 6th graders to 7th graders in robotics club is 4 : 5.
If there are 36 sixth graders, how many total students are in the club?
81
A pack of 6 notebooks costs $18 at the store.
How many notebooks can you get for $27?
9
What percent of 250 is 115?
46%
A ball of yarn is 6,336 inches long. How long is this in miles? 12in = 1ft , 3ft = 1yd , 1760yds = 1mile
0.1 miles
An online retailer offered a flash sale where customers received a discount on high-end headphones. A customer bought a pair for $184, which represented 80% of the original price. What was the original price of the headphones?
$230
The ratio of blue marbles to red marbles in a jar is 15:25.
If a smaller pouch maintains the same ratio and has 12 blue marbles, how many total marbles are in the pouch?
32
A water tank drips 8 gallons of water every 4 hours.
How many total gallons of water will leak out in 18.5 hours?
37
If 26% of a number is 126, what is the number?
350
You have 400 mL of a solution that is 15% acid. How many milliliters of pure water must be added to dilute the solution so that it becomes a 6% acid solution? Set up a percent proportion to find the amount of added water.
600 mL
Out of 840 students who took an advanced STEM placement exam, 294 earned a top distinction score. What percentage of the students earned a top distinction score?
35%
A bakery bakes blueberry and corn muffins in a ratio of 5:3.
If they baked a total of 64 muffins today, how many of them were blueberry muffins?
40
A car travels 125 miles in 3 hours. How far will the car travel in 108 minutes?
75
What percent of 450 is 243?
54%
(MUST DO LAST) An item is originally priced at $625 dollars. It is discounted by 15%, and then a 20% off coupon is applied to the sale price. Finally, an 8% sales tax is calculated on the post-coupon price. What is the final price of the item?
$459