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

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Algebra: Percentage and Pie Charts

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Question 235975: from $50 to $67
is it percent of increase or percent of decrease
Click here to see answer by xmoo22xx(3)

Question 235885: Is 33(1/3)% equal to (1/3) of the value?
Click here to see answer by nyc_function(155)

Question 234658: what would you be paid if you sold a used car for $12,050 and your commision was 10 percent?
Click here to see answer by rfer(2588)

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)

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.

Click here to see answer by checkley77(6671)

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)

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.
Click here to see answer by scott8148(3325)

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?
Click here to see answer by stanbon(25959)

Question 234206: One sixth of all sales are for cash. Cash sales for the week were $265, what were the total sales.
Click here to see answer by checkley77(6671)

Question 234018: what are two ways you can find 13 percent of a number
Click here to see answer by Alan3354(5863)

Question 234062: I work with 63 toes. I done 28. what precent of the work have i'done?
Click here to see answer by rfer(2588)

Question 233911: A solar calculator that costs $75 last year is now $83. What percent increase is this? Thanks
Click here to see answer by rfer(2588)

Question 233523: Amy paid 58.47 for a pair of running shoes at 40% off sale.what is the regular price?
Click here to see answer by stanbon(25959)

Question 233523: Amy paid 58.47 for a pair of running shoes at 40% off sale.what is the regular price?
Click here to see answer by checkley77(6671)

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?
Click here to see answer by edjones(3194)

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

Click here to see answer by Alan3354(5863)

Question 233077: what percent of 88.6 is 70?
Click here to see answer by rfer(2588)

Question 232864: solve 2a/3=8+4a
Click here to see answer by mando271(41)

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 solver91311(4818)

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
Click here to see answer by stanbon(25959)

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)

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?
Click here to see answer by edjones(3194)

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?
Click here to see answer by rfer(2588)

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.
Click here to see answer by rfer(2588)

Question 230663: How many years dose Steven need to invest his 3,000 at 7% to earn $210 in simple interest.
Click here to see answer by rfer(2588)

Question 230660: How do you make .2 a percent.
Click here to see answer by nerdybill(2413)

Question 230638: How do you add and subtract percent.
Click here to see answer by Theo(547)

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.
Click here to see answer by Theo(547)

Question 230437: sales tax 5.5% of $125
Click here to see answer by texttutoring(33)

Question 230437: sales tax 5.5% of $125
Click here to see answer by cornball3440(10)

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
Click here to see answer by shahas101(3)

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?
Click here to see answer by Theo(547)

Question 229771: a product normally retails for $40.00 and i receive a $10 discount, what percentage discount?
Click here to see answer by ly12603(33)

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?
Click here to see answer by rfer(2588)

Question 229571: change each percent to a fraction. simplify when necessary. 2/3%
Click here to see answer by stanbon(25959)

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.
Click here to see answer by stanbon(25959)

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?
Click here to see answer by jim_thompson5910(13679)

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?

Click here to see answer by user_dude2008(690)

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

Click here to see answer by rapaljer(3526)

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?
Click here to see answer by checkley77(6671)

Question 227462: 42 is 25% less than what
i need to know the equasion
Click here to see answer by rfer(2588)

Question 227474: eight is what percent of 40?
Click here to see answer by rfer(2588)

Question 226831: 5 1/4% of what is 21?
Click here to see answer by rfer(2588)

Question 226128: a rake is priced $9.00 it is on sale for 30% off. how much will you save?
Click here to see answer by Isabellaksmith(3)

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