Percentages practice problems - page 59 of 111
Number of problems found: 2219
- Auto-tuning
During auto-tuning, the TV searched for 25 channels, four of which were music. The channels are stored in the TV's memory in random order. Express the percentage of the event that We will save the music channel first. - A loan
A loan of $944 is charged simple interest at an annual rate of 8.1%. How much money is owed 14 months after the loan was made? - Pouring alcohol
100 liters of alcohol has 70% How many liters of water must be added to have 60% alcohol? - Together m+w
Women are 30%. Men are 360 more. How many are together? - Cake ingredients
Does the yeast cake contain milk, yeast, sugar, and flour in a ratio of 20:4:1:15. What percentage of flour is in yeast? - Two companies
The family ordered two companies to modify the garden. The first would be done in 20 days; the second would take 40% less time. How long will they work together if the second company started working when the first worked for four days? - Birdhouse work time
Michal would make a birdhouse in three hours, and Richard would make it in two hours. If they work together, how many hours will it take them to complete it? How much percent more time compared to the time of working together would Michal make the booth b - Bdf tablet
Detective Harry Thomson has come across a surprising mystery. As part of the weekend's action, the tablet he looked for dropped by 30%. He also recommended this bargain to his friend. However, it came to the shop on Monday, and the tablet was 30% more exp - Washing powder
A 10-kilogram pack of washing powder is M euros more expensive than a 5-kilogram pack of the same powder. A 5-kilogram package costs P euros. Five kilos of packaging is not worth it because it is more expensive than half the price of 10 kilos. How much is - The bar chart
The bar chart shows the results of the math test. How many percents of pupils achieved approximately better results than the class average? Diagram: 1-10 pupils, 2-4 pupils, 3-6 pupils, 4-2 pupils, 5-4 pupils. (lowest results are better) - Water level increase During the experiment, water flows evenly into a cylinder-shaped container. At the end of the 5th minute of the experiment, the water level was 25% higher than at the beginning of the experiment. 0 how many percent higher will the water level be at the en
- Students
If the fifth-grade class left 20% of students and in the seventh grade were added two pupils, in the eighth one pupil, the number has not changed in the ninth grade, but it is now tenth students less than it was in the fifth grade. How many pupils are in - Price increase percentage
Easter discounts on winter goods were 20%. By what percentage does the price have to be increased retroactively to be sold again at the original price? - The Chemistry test The Chemistry test contained eight questions, each with 3 points. Peter scored 21 points. How many percent did Peter write a test?
- Rectangular garden
The perimeter of Peter's rectangular garden is 98 meters. The width of the garden is 60% shorter than its length. Find the dimensions of the rectangular garden in meters. Find the garden area in square meters. - Apple variete
This year, my uncle harvested 350 kg of apples, including 105 kilograms of Ontario and the rest of Jonathan's apples. Determine the percentage of the Jonathan apples. - Art school Every fifth pupil of 9A class goes to art school. How many percent of pupils in class 9A go to art school?
- Postage increase percentage
Postage for packages has increased to 7/5 of the original price. What percentage has the postage for packages increased? - Ski equipment price Petr found out that he would save CZK 1,680 with a 24% discount when selling winter goods. Calculate the original price of ski equipment.
- Ice skates
The price of ice skates was raised twice, first by 25% and then by 10%. After the second price increase, their cost was 82.5 euros. What was the original price of the skates?
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