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What is the percentage?A percent is a ratio whose second term is 100. Percent means parts per hundred. The word comes from the Latin phrase per centum, which means per hundred. In mathematics, we use the symbol % for percent or the abbreviation pct.
For example, 12% (read as 'twelve percent') is equal to 12/100, or 3/25, or 0.12.
Percentages are used to express how large or small one quantity is relative to another quantity.
Percentage in word problems:
In 7.C clss are 10 girls and 20 boys. Yesterday was missing 20% of girls and 50% boys. What percentage of students missing?
Of the 450 students at the school, 432 walks to school. What percentage is this?
- Profit gain
If 5% more is gained by selling an article for Rs. 350 than by selling it for Rs. 340, the cost of the article is:
The temporary workers planted new trees. Of the total number of 500 seedlings, they managed to plant 426. How many percents did they meet the daily planting limit?
Iron ore contains 54% iron. How much ore is needed to produce 23 tons of iron?
Researchers asked 200 families whether or not they were the homeowner and how many cars they had. Their response was homeowner: 14 no car or one car, two or more cars 86, not homeowner: 38 no car or one car, two or more cars 62. What percent of the famili
- In 2011
In 2011, assuming about 61.3% of the households in Colorado owned pets. Find the decimal notation for 61.3%.
- Seeds 2
How many seeds germinated from 1000 pcs, when 23% no emergence?
- Percentage 10
Fifty-two shorts and missed 13. Calculate percentage
Of the 3820 products, 3792 were flawless. What percentage was due to failures?
- Percents - easy
How many percent is 432 out of 434?
- Apples 2
James has 13 apples. He has 30 percent more apples than Sam. How many apples have Sam?
- Level of significance
At a certain college it is estimated that 25% of the students have cars on campus. Does this seem to be a valid estimate if in random sample of 90 college students, 28 are found to have cars? Use a 0.05 level of significance.
- Washing machine
The washing machine cost € 325. In sale-off, they became cheaper by 10%, later by another 10%. Find the last price of the washing machine.
- Highway repair
The highway repair was planned for 15 days. However, it was reduced by 30%. How many days did the repair of the highway last?
- What percent 4
What percent of 40 is 14?
- 100 %
How much is 100%, if 17 % is 1169?
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