Questions on Algebra: Percentage and Pie Charts answered by real tutors!

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Tutors Answer Your Questions about percentage (FREE)


Question 235975: from $50 to $67
is it percent of increase or percent of decrease

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Question 235885: Is 33(1/3)% equal to (1/3) of the value?
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Question 234658: what would you be paid if you sold a used car for $12,050 and your commision was 10 percent?
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Question 234412: In 2006, the # of Americans who were members of a health club was 42.7 million. This was an increase of 106% from th enumber of health club members in 1990. How many Americans were Health club members in 1990? Percentages are lost on me!
Click here to see answer by ankor@dixie-net.com(6567) About Me 

Question 234473: An instrument store gives a 10% discount to all students off the original cost of an instrument. During a back to school sale an additional 15% is taken off the discounted price. Julie, a student at the local high school, purchases a flute for $306. How much did it originally cost?
A. $325
B. $375
C. $400
D. $408
E. $425
I was given the correct answer but I dont know how to get it.

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Question 234471: ONE PIECE OF THE PIE HAS THE SAME SHAPE AS WOULD BE FORMED BY THE HANDS OF A CLOCK WHEN IT IS EXACTLY THREE O'CLOCK.THIS PIECE WOULD REPRESENT _% OF THE WHOLE PIE.
Click here to see answer by solver91311(4818) About Me 

Question 234411: The perimeter of a rectangular driveway is 168 feet. The length is 12 feet longer than three times the width. What are the dimensions of the driveway?
I do not even know which formula to use to solve this problem. If someone could tell me how to begin I could probably figure it out.

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Question 234413: Tori invested $8000 in money market funds. Part was invested at 5% simple interest and the rest at 7% simple interest. At the end of 1 year, Tori had earned $496 in interest. How much did she invest in each fund?
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Question 234206: One sixth of all sales are for cash. Cash sales for the week were $265, what were the total sales.
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Question 234018: what are two ways you can find 13 percent of a number
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Question 234062: I work with 63 toes. I done 28. what precent of the work have i'done?
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Question 233911: A solar calculator that costs $75 last year is now $83. What percent increase is this? Thanks
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Question 233523: Amy paid 58.47 for a pair of running shoes at 40% off sale.what is the regular price?
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Question 233523: Amy paid 58.47 for a pair of running shoes at 40% off sale.what is the regular price?
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Question 233274: a)In a shipment of 1125 parts, 25 were found to be defective. What percentage of the part were faulty?
b)/5/+/-1/ and /5+-1/ Why are the different?

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Question 233232: Keiko bought a suit on sale for $289 . This price was 15% less than the original price.
What was the original price?

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Question 233077: what percent of 88.6 is 70?
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Question 232864: solve 2a/3=8+4a
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Question 232616: My teacher in advanced algebra doesn't really have time to answer my questions because i have her for my 7th period. My question is,
In a catalog, a jacket was marked down from $75 to $48. What is the percent of change? Is this an increase or a decrease?

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Question 232616: My teacher in advanced algebra doesn't really have time to answer my questions because i have her for my 7th period. My question is,
In a catalog, a jacket was marked down from $75 to $48. What is the percent of change? Is this an increase or a decrease?

Click here to see answer by rfer(2588) About Me 

Question 232294: Question: 70 students got an average score of 80, 30 students got an average score of 70. What is the average score of all students? Please explain how you calculate. thank you
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Question 232171: Phillip charged $400 worth of goods on his credit card. On his first bill, he was not charged any interest, and he made a payment of $20. He then charged another $18 worth of goods. On his second bill a month later, he was charged 2% interest on his entire unpaid balance. How much interest was Phillip charged on his second bill?
Click here to see answer by rfer(2588) About Me 

Question 231021: A rancher is planning to put up 220 yards of fencing. In the morning she puts up 80 yards, and in the afternoon she puts up 40% of the remaining fence. What percent of the fence did she put up that day?
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Question 230673: A car dealer sells a SUV for $39,000, which represents a 25% markup over the dealer's cost of the SUV to the dealer?
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Question 230675: A car dealer sells a SUV for $39,000, which represents a 25% markup over the dealers cost. What was the cost of the SUV to the dealer.
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Question 230663: How many years dose Steven need to invest his 3,000 at 7% to earn $210 in simple interest.
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Question 230660: How do you make .2 a percent.
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Question 230638: How do you add and subtract percent.
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Question 230634: If a discount of 20% off the retail price of a desk saves Mark 45, how much did he pay for the desk.
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Question 230437: sales tax 5.5% of $125
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Question 230437: sales tax 5.5% of $125
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Question 230029: In 2010, the price of a business math text rose to $113. This is 8% more than the 2009 price. What was the old selling price?
113/.08=9.04
113.-9.04

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Question 230150: if i have a 68% and i turn in a 20 point project and i get a 100% what would that raise my grade too?
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Question 229771: a product normally retails for $40.00 and i receive a $10 discount, what percentage discount?
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Question 229704: A jacket that regularly sells for a price of $55 is on sale for 20% off. The sales tax on the jacket is 7%. What is the final cost of the jacket?
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Question 229571: change each percent to a fraction. simplify when necessary. 2/3%
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Question 229025: Mustafa just turned 22 and wants to have 10,000 saved by his thirtieth bday. Assuming no additional deposits, if he currently has 6,000 in an intermediate term bond fund earning a 5% yield, will he reach his goal? If not what rate of return is required to meet his goal.
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Question 228620: an aircraft uses 1680 gallons of fuel,the left tank used 45%,the right tank used 32.5%.how nuch was used by centre tank?
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Question 228194: Problem
The instructor has learned that for the 30 students in her afternoon class, the ratio of student who do not own a computer to those who do is 2 to 1. How many students in the class own their own computer?

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Question 227601: 582 is 13.6 % of what number?
This is what I got:
582 x .136 = x
x = 79.152
Is this correct?

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Question 227551: What is the formula to determine a percentage increase of a given number.
For example: an insurance premium is $549.37, it renews at $595.21, by what percentage did it increase?

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Question 227462: 42 is 25% less than what
i need to know the equasion

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Question 227474: eight is what percent of 40?
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Question 226831: 5 1/4% of what is 21?
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Question 226128: a rake is priced $9.00 it is on sale for 30% off. how much will you save?
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