Percentages - practice for 14 year olds - page 19 of 64
Number of problems found: 1269
- Salt solution
Calculate the weight of a 50% salt solution we prepare from 120 g of salt. - The vaccination
The vaccination coverage of the population is 80%. Unvaccinated make up 60% of all infected. What percentage are unvaccinated and more likely to be infected? Consider N = 10,000 inhabitants and K = 1,000 infected. b. How many times more likely are unvacci - Percentage: 54311
Percentage: Increase and decrease- (x + 5) by 25%. - Sale goods
The supermarket reduced the sale of goods twice. First by 15% and another 20% of the new price. What percentage of the original price was the final price?
- Insurance 2
A house that is valued at 255,000 euros has been insured for 224,000 euros. At what percent has it been insured? - Regular price
The sale price of a television is 7200. The discount rate is 40%. Find its regular price. - The average 4
The average cost price of a car in Ireland is now €26,430, excluding VAT. If VAT is 23%, calculate the actual selling price of a car in 2021. - The ratio 4
The ratio of two numbers is 5:4. If 40% of the first number is 12, what will be 50% of the second number? - Cost structure
You are currently trying to decide between two cost structures for your business: one with a greater proportion of short-term fixed costs and another more heavily weighted to variable costs. Estimated revenue and cost data for each alternative are as foll
- Percent to interval
76% is between which the following two numbers. 1) 1/5 & 1/4. 2) 1/3 & 1/2 3) 2/3 & 7/10 4) 3/4 & 5/6 - Markup
A store pays $370 for a bicycle. The percentage of markup is 19%. What is the selling price of the bike? - Profit margin
If total sales for the month are $450,000 and the profit margin is 40%, how much was the cost of goods sold? - Nelly 2
Nelly buys a board game. She pays for the board game and pays 1.54 dollars in sales tax. The sales tax rate is 5.5 percent. What is the original price of the board game before tax? - The import
The import duty is 12 percent. If the value of the goods is ; 84.00, how much is the import duty?
- Beef taxation
In December, beef cost € 5.71 per 1 kg. How much should the price of 2.5 kg of beef change if VAT changed from 20% to 10%? How much will 2.5kg cost in January? - Percentages 8
What percent (%) is the amount of 12 from a base of 69? Round the final result into two decimals. - Chocolate bar
Shen's chocolate bar is 54% cocoa. If the weight of the chocolate bar is 54 grams, how many grams of cocoa does it contain? Round your answer to the nearest tenth. - Flowerbeds
There are three square flower beds on the square grassy plot. What percentage is the grassed part of the land when one side is 35 m, and the side of the flowerbed is 10 m? - A toy
A toy store buys kites from a supplier for k dollars. The store owner decides to mark up the price of each kite by 30%. What is the retail price of a kite that the supplier sells for $60?
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Our percentage calculator will help you quickly calculate various typical tasks with percentages. Percentages practice problems. Maths practice for 14 year olds.