A percentage is a number or ratio expressed as a fraction of $100$. It is often denoted using the percent sign, "$%$", or the abbreviation "$\mathrm{pct}$." -Wikipedia. Percentages are used when describing portions or proportional changes.
Questions tagged [percentages]
1440 questions
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Percentage Math Total
Let's assume a city has 104 barrels of oil which is 7% of the country's entire oil. How can I calculate the total oil that the country has?
Kay
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Marketing Problem with intersection of percentages
I am revising some A Level maths and I am struggling a bit with the following question...
You are a manufacturer of electronics and a marketing agency has collected the following data for you:
80% of your customers own a computer
70% own a DVD…
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Calculate upper range of two numbers given a lower number, a value in the range and the percentage it represents
A common practice in some enterprises is to not advise employees of the full salary range for their position. The policy is to often give the lower end of the salary range for their position, a percentage which represents where they sit within the…
Ian Oakes
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What's the right operation to calculate a percent when values differ?
Let say I assign a random amount of tasks to my employees and after a month, I want to check who is more "productive" based on the task they'd finished but, I think is not fair to give a 50% to someone who had finished 4 tasks of 8 assigned compared…
Sergio Flores
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Loan Interest problem
Louie takes out a three-month loan of $1000. The lender charges him 10% interest per month compunded monthly. The terms of the loan state that Louie must repay the loan in three equal monthly payments. To the nearest dollar, how much does Louie have…
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Percent of percent chain
Start out with a number, for example 458.
The number is reduced by 1% 35 times, so:
458
453.42
448.89
...
322.18
How can I calculate final number without doing a step-wise reduction?
user3342816
- 101
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1 answer
Calculating number from one collection basing on a nother collection number
I have a collection of numbers between 19.75 and 20.25 and a number that is between that borders lets say its 20.10.
Now basing on that need to calculate equivalent of that number (20.10) but in collection between 120 and 160.
I think what I am…
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What is the full amount of calculated 5% vat amount $17.8?
I need to know the full amount for the 5% vat, which is given as $ 17.8
I need the principal amount on which this 5% is calculated?
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Sales Tax Total and % is known what is the cost of goods.
My question is.
The sale tax is 8.6 % the total cost of the item including sales tax is $ 65.61. What is the formula to find the cost of the actual item ?
Jayson Jackson
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Percentage 10% of four other percentages
What is 10% of the four percentages together:
50% 70% 100% 100%
In other words, what is 10% of the above percentages added together to receive a total mark out of 10%?
Young
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Finding discount % given original price and discount value?
I want to know given the original price and discount value how can i find the discount percentage e.g
SUB-TOTAL: $209,055.00
One -Time Special Discount : -$38,000.00
Grand Total : $171,055.00
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Repeated trials with varying success probability
If you have the following, how would you calculate the percentages of each.
Say you have 4 chances
75% chance to produce 1
75% chance to produce 1
25% chance to produce 1
25% chance to produce 1
What are the chances for 0,1,2,3,4 and how do you…
Trevor Wood
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Coconut has saturated fats amounting to 150%. What does that mean physically ? How can fats be more than 100 percent?
CLICK HERE to see the nutrient chart
If I take 100 grams of coconut then how can I physically have fats in that which are 150% ?
Its physically understandable that coconut has 5% carbohydrates that is every 100 gm of coconut has 5 gm carbohydrate.…
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W/W Percentage Equation
An ointment is prepared by incorporating $10\,\mathrm{g}$ of a drug into a $100\,\mathrm{g}$ of white petrolatum. What is the percent w/w of active ingredient?
The answer is $9.1\,\%$. I don't know how it came up with the answer because I always get…
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Proof Spirit Calculations
The amount of 190 proof required to make 500 ml of 70% alcohol is?
The answer is 368 ml. Just couldn't figure how to get to that answer. Help me out, aye?