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 of income problem
A family paid 12 percent of its annual after-tax income on food last year. This amount was equal to 10 percent of its annual before-tax income last year. Which of the following is closest to the percent of the family's annual before-tax income that…
Hina
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Calculating selling price with a certain percentage of profit
I have a math problem and I hope somebody can help me out:
Example
I have a product that costs me 80 dollar to buy. I want to sell it with a 10% profit. The tax authorities will charge 21% tax over selling the product. Now comes the part that makes…
Bart
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Calculating the percentage of currency
Let's say you want to send money with through my agency.
I will get 0.05 on every dollar.
That is if you send \$100 dollars, should get 0.05 on each of the dollars in the \$100.
I am doing this $100 \times 0.05 = 5$.
How can I apply this to other…
LearnToday
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GRE Quantitative Question (Percents)
GRAPH The following links are a graph question dealing with percents on a GRE Quant practice test.
Here are the figures I am…
Daniel Connelly
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Adding multiple percentages to value
Good morning,
Apologies if this question seems obvious but I need a little help with adding multiple percentages to a value.
The value: $590,568$
The percentages: $14.62%, 49.068%, 2%$
My understanding is as follows:
$\frac{14.62 }{ 100 }=…
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Sum of percentages not equal to original sum
For example, let's say I have a sum of money equal to $150,246.76, of which 85%, 10% and 5% need to add up to the original amount, exactly. Calculating each percentage of the total separately does not work. Each percentage must take into account the…
wellington
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Calculating VAT
I have a customer who is disputing a (UK 20%) VAT total, but not sure how they are calculating this. This is their comment:
"The RRP is £225. Then minus the 10% discount which is £202.50. £202.50/1.2 = £168.75"
So they are saying 20% VAT of £202.50…
kb.
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How can I get these percents to add up to 1?
I have a set of percents, as decimals, like this:
$0.07, 0.12, 0.01, 0.20, 0.30, 0.10, 0.15, 0.05$
Now, if I, say, increase the first one from $0.07$ to $0.17$, and leave the other values alone, it obviously all does not add up to $1$. My question…
vastqud
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What percent should we increase the denominator in order to decrease the fraction
The fraction $\frac{m}{n}$, where $m$ and $n$ are positive integers is given. If we increase the numerator of the fraction by 5%, then by what percent should we increase the denominator in order to decrease the fraction $\frac{m}{n}$ by 10%?
(answer…
user567775
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What is the formula to calculate the percentage loss without touching the original value?
I have $2000$ dollars, and I lost $20$% of it in the first month of investment.
In the second month, I got $20$% increase on the value I had left from the loss of the past month.
So, I had $2000$ dollars at first and lost $20$%. So I had $1600$…
user567913
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chances that a random selected letter is a vowel
If Wayne considers the letter "Y" to be a vowel but Kristen does not, thinking that there are only 5 vowels, by what percent is the probability that a randomly selected letter out of the 26 letter alphabet will be a vowel greater in Wayne's opinion…
space
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What is the actual probability?
So here’s the scenario. In Madden Mobile you have what’s called % counters to either run, long pass, short pass or pa pass. So say I have a 2% chance of countering a run play. It takes my opponent 15 plays to score a td, only using one run play out…
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Simple percentage question
Simple % question, if x individual has committed to 6 hours of work (100%), then 25 hours is added, in terms of % how much has been added?
I currently work it out like this:
25/6 * 100 = 416%
Meaning they have committed to an additional 316% of work…
bobo2000
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How do i get the price?
The price for the product was raised by 22% and amounted to 2013 dollars. What was the price of the product before the price was raised ?
please guys i would like explaining and steps for the solution thank you :)
sasha
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How to solve this percentage expenditure consumption problem in more easy way?
The price of rice is increased by 20%, By what percentage should the consumption be reduced so that the expenditure on rice remains the same?
My sir told me this method:
physical units consumed = $c$.
price per physical unit = $p$.
total amount…
