Percentages practice problems - page 38 of 111
Number of problems found: 2216
- A korean
A Korean mart sells banana milk, strawberry milk, and melon milk. 65% of the milk sold is banana, and 14% is strawberry. What percentage is melon milk? - Pages
Of the 326 pages in the book, only 38 are text. The rest is the picture attachments. How many percents of the total are picture attachments? - Error rate
The exam has six questions. Students have an error rate of 20% and can have a maximum of 1 question wrong. What is the probability that they will succeed? - Throughout 55783
Mr. Novak's salary is € 550. The employer decides to raise his salary by 15% but later reduces wages throughout the company by 15%. Calculate what salary Mr. Novák will have. - Decimal to percentages
A) What is 1.18 as a percent? B) What is 0.38 in percent notation? C) Write 65% as a fraction. Simplify. - In 2011
In 2011, assuming about 61.3% of the households in Colorado owned pets. Find the decimal notation for 61.3%. - Construction 55441
By improving the work process, constructing a family house saved CZK 111,600, which was 5% of the total budget. What was the original budget for a family house? - Germination 55283
The supplier of spruce seeds for our nursery declares a germination rate of 80% for his goods. Verify this statement based on an experiment in which only 70 seeds germinated out of 100 randomly selected seeds. - A vendor
A vendor bought an article for $900 and sold it for $1260. What is the profit percentage? - Initially 55051
The shop reduced the laptop by 20% to CZK 10,000. How much did CZK initially cost? - KOH
How many g of 20% KOH solution do we need to mix with 500 g of 30% KOH solution to obtain a 25% KOH solution? - Suppose 4
Suppose that 14% of all steel shafts produced by a certain process are nonconforming but can be reworked (rather than having to be scrapped). Consider a random sample of 200 shafts, and let X denote the number among these that are nonconforming and can be - Publishing company Suppose you work for a publishing company, and before launching a new magazine targeting fashion-oriented consumers, your boss wants to hold a meeting with prospective advertisers. Assume that annual expenditures on magazine ads in this genre are normally
- 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%. - Taxes
If you were charged $243 in taxes on a $4,050 purchase, what percent tax were you charged? - 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 valued at 255,000 euros has been insured for 224,000 euros. What percent has it been insured? - A frequency
A frequency table of grades has five classes (A, B, C, D, F) with frequencies of 2,14,13,8, and 1, respectively. Using percentages, what are the relative frequencies of the five classes?
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