# If a gallon of diesel was \$2.90 and now is \$3.84 how do we calculate the percentage increase?

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• Dennis Joseph Mar 24, 2011

I may not know my math from grade school but I know that is NOT CORRECT. I want to know if it is a 20% or 21% or 30% increase. Maybe you misunderstood me? You can call to discuss: 305-588-3032 My name is Dennis

Dennis E. Joseph
President

Cargo Maritime of South Florida, Inc.
Celebrating Our 23rd Year***1988-2011***
Tel: (305) 889-3373
Fax: (305) 889-3354
Email: Shipstores@msn.com

• Dennis Joseph Mar 24, 2011

You mean I have to PAY to see your math????? I will never use this again if that is the case. I would expect that from reading about the company it would be in the spirit of the corporate culture to help and show how it is done, not charge me everytime I need to calculate the increases of fuel prices in this country. We are a shipping business and this happens all the time.

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• Toyota Master

The increase is .94cents,divide 94 into 2.90 and the increase is 3.08%

Posted on Mar 25, 2011

• Thomas Perkins Mar 25, 2011

Sorry Sir,but the first answer in incorrect,but the correct answer is .94 cent increase,divide 94 into 2.90 and the increase is 30.08%

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• Expert

To calculate the percentage increase
1.) add the two numbers and 2.90 and 3.84=6.74
2.) then you need to find the difference by subtracting the two numbers 3.84-2.90=.94 (amount of increase)
3.)Figure out what percent .94 is of the original amount
Use this formula: amount of increase = original amount * percent increase. Since you do not know the percentage increase, plug in the values you do know and leave that as the variable. This looks like .94=2.90 x 4.) solve for x is the difference by the lowest amount .94/2.90=0.32 5.) change your answer to % by moving the decimal point to the right two spaces 32.% (increased amount - original amount) / original amount. This would look like (3.84 - 2.90)/2.90. The answer is still 32%

Posted on Mar 24, 2011

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• Expert

Divide 3.84 by 2.90...that is your percentage increase...i.e 1.32 times

Posted on Mar 24, 2011

• 1 more comment
• Karamvir Singh Mar 24, 2011

Sorry, for the error of concept.The correct answer is 27.89%.Re post if you need to know the exact procedure.

• Karamvir Singh Mar 24, 2011

Sorry for the error of concept ,the correct answer is 27.8%.Re post if you need to know the exact procedure.

• Karamvir Singh Mar 25, 2011

You dont have to pay as of now sir,i just asked you to ask me for any further help if required.There is no need to pay us .

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