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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Need to find percentage of cream to be added in 6% yogurt
How much cream (at 36% milk fat and 64% water) is necessary to yield 500L of yogurt at 6% milk fat?
Assuming the only source of milk fat is from the cream being added.
Nana
- 11
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1 answer
Distribution of staff
The example I have used here is not real but relates to a real problem that is too complex to explain on this site.
Within a large shopping facility, we distribute staff across the various areas according to a prioritised plan. As staff reduce…
Chris Evans
- 113
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1 answer
Estimate the discounts...
Here is a problem on discount estimation,,
If marked price of an article is $\frac{8}{5}$ times cost price and its selling price is at least $\frac{4}{5}$th the cost price then discount percentage is...
multiple choices are possible...
options:
A)…
Ganesh Vellanki
- 231
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Merchant selling price for 20% Gain
Here is the problem,
on selling an article for $76$ dollars merchant loses $4$ dollars, to gain $20$% profit he has to sell it for X dollars.The selling price of the article to gain $20$% is...?
I found it as $96$ but the answer says it as more…
Ganesh Vellanki
- 231
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1 answer
how to create a formula to set a priority level that decreases if the number increases
I'm a php programmer and I'm in the middle of a a new project that creates websites' sitemap
to create sitemap we set a propriety level for every link on the site
the priority decreases if the link is away deeper and away from the home page
the idea…
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Recalculating an interest amount with a lower rate
I have a number of accounts which were over charged interest at a rate of $22.5\%$ (most accounts, some are $21.5\%,19.5\%$).
All these accounts needed to be charged $18.5\%$. I have the total interest paid to date figures and need to reverse the…
6dev6il6
- 111
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1 answer
Calculate non-linear fee in percent between to prices
I have this problem. Googling 2 hours with no answers found, but propably searching wrong words - im really not not a math guy but need this for a plugin I write:
A price for a product is 150 OR below and the fee is 50% = 75
A Price for a product is…
Jonas Lundman
- 111
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1 answer
Total Percentage Versus Each Percentage of same subject
I have 8 subjects in my course. Following are the data of attendance in each subject.
Subjects Attended/Total Percentage
1 10/29 34.48 %
2. 23/23 100.00 %
3. 18/19 94.73 %
4. 18/19 …
Akash Sharma
- 125
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1 answer
Finding the Percentage of a Group of Items / Total Items
This may sound very stupid, but my brain stuck and I can't get it Right.
What I have:
10 Categories in which a number of Items (Item1, Item2, Item3) are stored.
In a Category there can be 0 or 100000 Items.
What I want:
Based on the item's in the…
Mini John
- 115
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1 answer
Keeping percentage across list
in my situation I have a list with any amount of items. Each item has a percentage attached to it. All the percentages must add up to 1:
If L is the amount of items in the list, then here's an untouched L=3.
Item Percent
A 0.33...
B …
david
- 11
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percentage unite (problem solving for primary school)
I am trying to come up with an interesting problem to show my students how the percentage units work. In their book I can only find the problems for ex: "the interesting rate has risen from 2% to 3%. How big is the increase a) in percentage unites…
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calculating total weekly percentage increase when new datasources also added
I'm not sure if I can accurately describe my situation.
We have data (a starting value usually between 30000 and 50000) from four different sources, and each day the values for each source increases or decreases. Each day we calculate the increase…
Midavalo
- 11
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Why do I get a different answer when I use the total percent?
I feel like this should be obvious, but I am still struggling to wrap my head around this:
Suppose Bill has $1000$ apples and $2000$ oranges, while Sue has $1500$ apples and 500 oranges. Now suppose we want to take $200$ apples and $500$ oranges…
ThaddeusM
- 11
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2 answers
Blended percentage calculation deviation
We are currently putting together some sales reports for our company, and noticed some oddities when we have multiple tax rates, and it's bugging me as to why this is happening.
Tax Rate
Retail Price (R)
Tax Amount (retail)
Cost Price (C)
Tax…
BenM
- 121
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0 answers
What percentage of potassium found in a mushroom is theoretically sourced from the bark and wood of a tree log?
A tree log contains both bark and wood. The bark contains 2.5 times higher concentration of potassium than the wood. 62% of the potassium in the bark is available for uptake. 92% of the potassium in the wood is available for uptake. The potassium…
Martin67
- 11