Percentages practice problems - page 69 of 111
Number of problems found: 2219
- Hockey stadium fans
At the hockey match, the stadium was full at the beginning. After the first period, 20% of the fans left; after the second period, one-sixth of the remaining fans left. How many fans were in the stadium at the start of the match if 700 stayed until the en - Selling price
Find the selling price. Cost to store: $50 Markup: 10% - Waste Paper Collection Comparison
Ema collected 770 kg of waste paper during the school year, while her friend Patrik collected 15% less. During the following school year, Ema collected exactly as much as Patrik did last year, but Patrik managed to collect 15% more than Eme. Which one col - Grandparents
The grandfather set aside €1200 for savings. At the beginning of each month, he deposited €100 in the bank at an interest rate of 3%p. A. At the end of the year, he had €1,219.68 in the bank. Grandma immediately put the entire amount of €1,200 into the ba - Wheat grinding
By grinding wheat, we get 86% torment. How much wheat do we need to grind to get 7 tons of wheat flour? - Perctentages
35% of what number is 35? - Number factor decomposition
The number 135 can be decomposed into the product of two factors, so one will be three greater than 40% of the other. What are these factors? - In the cinema
There were 560 people in the cinema. 35% of them wore glasses. Of this number, 25% were women. How many men wore glasses? - Precious metals
From 2006-2009, the value of precious metals changed rapidly. The data in the following table represent the total rate of return (in percentage) for platinum, gold, and silver from 2006 through 2009: Year Platinum Gold Silver 2009 62.7 25.0 56.8 2008 -41. - Three-digit number
Find all three-digit numbers n with three different non-zero digits divisible by the sum of all three two-digit numbers we get when we delete one digit in the original number. - A man 2 A man divides $10,000 into two investments, one at 10% and one at 30%. Find the amount invested at each rate so that the two investments produce the same income annually.
- Needs
Hanka needs 40,000 € to buy an apartment. She can save or pay 300 € each month. The interest rate on deposits is 2%, the monthly deposit is 300 €, the state bonus is 8.5% of the deposit, and the interest rate on the loan is 2.9%. She will be in the saving - Ice Rink Water Volume
The rectangular rink with dimensions of 50 m and 25 m should be covered with a layer of ice 4 cm high. How many liters of water are needed to make ice if the ice volume is 10% greater than the volume of water? - Fraction multiplication puzzle
Which fraction number must be multiplied by 40 to get a 6% smaller number? - Cinema women percentage
There are 1.5 times more women in the cinema than men. What percentage of women are in the cinema? - Bike price percentage
Mom donated 120 € to Jožek per bike, which was 60% of the bike's price. How much did the bike cost? - Loss
A bookstore purchased the biography of a well-known politician from a publisher for R15 per copy, but sales have been very poor. The manager has decided to mark the copies down to R12 each to make a quick sale. Calculate the loss on each book as a percent - They exceeded
In mines A and B, they were supposed to extract 20,000 tons of coal together. However, they exceeded their joint plan and so they extracted 133 tons more together. In mine A, they exceeded the plan by 2 percent, and in mine B, on the contrary, they extrac - Stamps collection
Together, Peter and Jan had 52,000 stamps in their collection. To compete with their friend, they must have 56700 stamps. They agreed that Peter would increase his collection by 8 percent and Jan would give 10 percent more than he has. How many stamps did - Left handed
It is known that 25% of the population is left-handed. What is the probability that there is a maximum of three left-handers at a seminar with 30 participants?
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