Percentages practice problems - page 67 of 111
Number of problems found: 2208
- Traveled 7541
The tourist covered 47 km in three days. The first day ran 20 percent more than the second day, and the third day was 4 km less than the second day. How many km has he traveled each day? - Repairing
Three employees earned a total of € 469 for repairing the equipment. They split the money so that the first got 20% more than the second and the third 15% more than the second. Thus, everyone got a total of € 469. - Math test
Obelix filled out a mathematical test in which he answered 25 questions. For every correct answer, he received 5 points. For each wrong answer, he had 3 points deducted. Obelix gained 36% of all points in the test. How many questions did he solve correctl - Final exam There are five learners in a class that has written a final exam. Aleta scored 55%, Vera scored 36%, and Sibusiso scored 88%. If Thoko scored 71% and the class average was 63%. What was Davids's score as a percentage?
- Mini-survey In our class's mini-survey about the popularity of individual subjects, it turned out that 11.1% of pupils like mathematics, 18.5% enjoy languages, 30.4% like physical education, and the remaining 12 pupils have several popular subjects. How many students
- On a farm
A farm has 900 rabbits, 700 sheep, 300 cattle, and 500 pigs. What percentage of the total number of animals are rabbits? - Clogging
How much distilled water must the pharmacist add to 30g of a 30% hydrogen peroxide solution to obtain a 3% solution for clogging? - Difference 7509
The apartment on the first floor has an annual rent of 10% higher than the same apartment on the second floor. The difference in the yearly rent is €105. What are the annual rent for the apartment on the first floor and the apartment on the second floor? - Statistician 7500 A statistician monitored the variance of monthly wages and found its value to be 640,000. Determine the standard deviation of salaries if there is a one-off increase: a) about CZK 1,800, b) about 5%.
- Determine 7495
Determine the product's original price, which, after a 20% discount, costs 90 CZK. - Vinegar mixing
When we mix 70g water with 50g 8% vinegar, how many percent of the vinegar solution do we produce? - Burdened 7485
The product was taxed at 20% and is sold for CZK 600. How many CZK was the product sold for if the government charged only 10% of taxes? - Calculate 7483 Calculate the interest and rum (APR, annual interest rate) is 2.5% and the principal 50,000.
- Mushrooms
Fresh mushrooms contain 88% water and dried 14% water. How many kilograms of fresh mushrooms should be collected to get 3 kg of dried? - Waste
How much of the waste is from a circular plate with a radius of 1 m, from which we cut a square with the highest area? - Percentage 7469
The barrel contains 199 liters of 38% acid solution. What percentage of acid is created when we take 61 liters and replace it with the same amount of water? - Determine 7468
Determine the base if 2.8 per mille is 50. - Unknown 7460
5% of the unknown number is 224 less than 25% of the unknown number. - Helmet
Nowadays, better results can be obtained in cycling due to the rider's physical preparation and updated technologies. One of the essential parts of the rider's equipment is their helmet. While most bikers wear a helmet mainly to protect themselves, racers - Discount sale At Christmas Sale, after a 20% discount, the cosmetic package was priced at 5 euros and 60 cents; later, it went to 3 euros and 80 cents. How much percentage is the total discount?
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