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

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 Algebra: Percentage and Pie Charts Solvers Lessons Answers archive Quiz In Depth

 Question 317321: A salesperson earns a salery of \$9,000 per year. She also makes a commission of 29% on her sales.If her sales for the year total \$116,000, how much money was she paid for the year? Click here to see answer by nerdybill(6951)

 Question 317289: If the posted fee to cash a check is 10% and you charge 5%, what percent discount did you give? Click here to see answer by rfer(12647)

 Question 317685: On a math test, 12 students earned an A. This number is exactly 25% of the total number of students in the class. How many students are in the class? A. 15 B. 16 C. 21 D. 30 E. 48 Click here to see answer by mananth(12270)

 Question 318288: The cost is \$60.00, the sale price is \$57.00 what percent is the savings? Click here to see answer by rfer(12647)

 Question 319225: IF A BOY WALKS AT A SPEED OF 4 KM/HR,HE REACHES HIS SCHOOL 10 MINUTES BEFORE THE SCHOOL TIME.IF HE WALKS 3 KM/HR HE REACHES THE SCHOOL 10 MINUTES LATE.FIND THE DISTANCE BETWEEN HIS HOUSE AND HIS SCHOOL. Click here to see answer by stanbon(57246)

 Question 319309: If you manufactured 67 parts and 4 parts were bad. What percentage was bad and what percent was good? Click here to see answer by Fombitz(13828)

 Question 319500: what is the increase percentage of 800 tvs one month to 1064 tvs in the next month Click here to see answer by stanbon(57246)

 Question 319936: Today only, a desk is being sold at a 35% discount. The sale price is \$559. What was the price yesterday? Click here to see answer by josmiceli(9661)

 Question 319940: When converting from Fahrenheit degrees to Celsius degrees , a well known formula is used: C=5/9(F-32) solve for F Click here to see answer by Alan3354(30983)

 Question 319970: The price of a technology stock has risen to \$9.69 today. Yesterday's price was \$9.62. Find the percentage increase. Round your answer to the nearest tenth of a percent. Click here to see answer by rfer(12647)

 Question 320201: If an employee gets an automatic 20% off of a dishwasher that costs 450.00 and it is for sale at 15% off. How much will it cost the employee. I came up with \$292.50. Is this correct? Click here to see answer by josmiceli(9661)

 Question 320272: To estimate animal population, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat(in acres) polled. a.Write an equation using only one variable that could be used to solve for the constat of variation k. b.A biologist counted 12 white tail deer in a 100 acre parcel of land in a nature preserve.Find the constant of variation k. c.If the entire nature preserve is 2,500 acres, then what is the total white tail deer population in the preserve? Describe the answer?Thanks Click here to see answer by stanbon(57246)

 Question 320269: Biologists want to set up a station to test alligators in the lake for West Nile Virus. Suppose that the cost for such a station are \$2,500 for setup costs and \$3.00 to administer each test. a. Write an expression that gives the total cost to test x animals. b. You can find the average cost per animal by dividing total costs by number of animals. Write the expression that gives the average cost per animal. c.Find the average cost per animal for 10 animals, 100 animals, and 1,000 animals. d.As the number of animals increases, what happens to the average cost to test the animals? Would the average cost ever fall below \$3.00? If so, identify a value that supports your answer.If not explain how you know. e. How many animals should be testes for the average cost to be \$5.00 per animal? Click here to see answer by stanbon(57246)

 Question 320295: If class enrollment rose 5 percent this year over last year. If 1260 students are enrolled this year,how many were enrolled last year? Click here to see answer by rfer(12647)

 Question 320336: What number decreased by 30 percent equals 1800? 1800 x .70 = 1260. 1800 - 1260 =540. 1800 + 540 = 2340. Is 2340 the correct answer? Click here to see answer by rfer(12647)

 Question 320616: if 17 % of the group voted to change its bylaws and 13% voted against the change, how many people did not vote ? The group has 1,150 members. Click here to see answer by unlockmath(1599)

 Question 321044: In a Gallup poll of 1,038 adults, 540 said that second-hand smoke is very harmful. What is the percentage of adults who said second-hand smoke is very harmful? Click here to see answer by rfer(12647)

 Question 278268: David Upton is president of Upton Manufacturing, a producer of Go-Kart tires. Upton makes 1000 tires per day with the following resoures: Labor 400 hours per day @ 12.50 per hour Raw Material 20000 pounds per day @ 1.00 per pound Engergy \$5000 per day Capital \$10000 per day what is the labor productivity perlabor hour for these tires at Upton Manufacturing? what is the multifactor productivity for these tires at Upton Manufacturing? what is the percen change in multifactor productivity if Upton can reduce the engergy bill by \$1000 per day without cutting production or changing any other inputs. Click here to see answer by deividzen(1)

 Question 322201: show example of an increase and decrease percent Click here to see answer by Fombitz(13828)

 Question 323039: Liza kept the following records of her utility bills for 12 months: \$38, \$33, \$41, \$37, \$54, \$39, \$38, \$71, \$49, \$48, \$42, \$38 (a) Find the mean of Liza's monthly utility bill. (b) Find the median of Liza's monthly utility bill. (c) Is the mean or median a more useful representative of Liza's monthly utility bills? Click here to see answer by rfer(12647)

 Question 323590: If the cost of the product was estimated at \$5,170 and you are eventually invoice at \$15,990 what is the increase as a percentage. Click here to see answer by JBarnum(2044)

 Question 324122: A company gives raises once a year. Amir's present salary is \$16,000. His manager would like to raise Amir's salary to \$35,000. What percentage raise would Amir be recieving? Click here to see answer by stanbon(57246)

 Question 324631: If 1,088 represents 65% of something, what is the value of 100%. This is an easy problem, but I cannot remember how to solve? Thanks for the help. Click here to see answer by Fombitz(13828)

 Question 324712: What is the value of the expression 2x2+3xy-when x=2 and y= -4 Click here to see answer by rfer(12647)

 Question 324773: I am taking a practice test. One of my questions is: "A rancher is planning to put up 220 yards of fencing. In the morning, she puts up 80 yards of fencing. In the afternoon she puts up 40% of the remaining fence. What is the total percentage of the amount of fencing she has put up today?" I know the answer is 62%. Every time i work out the answer however, i get 76%. How do you work this problem out? Click here to see answer by Fombitz(13828)

 Question 324771: I am taking a practice test. One of my questions is: "A rancher is planning to put up 220 yards of fencing. In the morning, she puts up 80 yards of fencing. In the afternoon she puts up 40% of the remaining fence. What is the total percentage of the amount of fencing she has put up today?" I know the answer is 62%. Every time i work out the answer however, i get 76%. How do you work this problem out? Click here to see answer by Alan3354(30983)
 Question 324771: I am taking a practice test. One of my questions is: "A rancher is planning to put up 220 yards of fencing. In the morning, she puts up 80 yards of fencing. In the afternoon she puts up 40% of the remaining fence. What is the total percentage of the amount of fencing she has put up today?" I know the answer is 62%. Every time i work out the answer however, i get 76%. How do you work this problem out? Click here to see answer by rfer(12647)

 Question 324844: need help what amount a pie graph percentage represebnts for example given a pie graph with different slices of percents question will ask you how many apples does 12 percent represent what math formula do you use to answer Click here to see answer by jessica43(140)

 Question 325110: Can you help me answer this word problem?: The Rag Bag is having a "20% Off" sale a pair of pants on sale is \$16. How much was it to begin with? Click here to see answer by jim_thompson5910(28504)

 Question 325767: A car dealer sells a SUV for \$39,000, which represents a 25% profit over the cost. What was the cost of the SUV to the dealer? Click here to see answer by rfer(12647)
 Question 325767: A car dealer sells a SUV for \$39,000, which represents a 25% profit over the cost. What was the cost of the SUV to the dealer? Click here to see answer by nyc_function(2733)

 Question 326191: This is not a request for an answer to my problem, but rather a more clear explanation of the formula used to find the precentage of a number. My current problem is: 35% of \$19.40 I need to find the discount and then the sale price. I am currently enrolled in college and I would appreciate any and all assistance that you can provide to me. I found your formula for this and the thing that confused me was the dot. Does it represent a multiplication sign? Thank you inadvance for the assistance. Tonya L. Irwin Click here to see answer by stanbon(57246)

 Question 326801: I am required to pay 5% on the principal (\$5000)...I know that 5% = \$250. But, what if I knew what 5% was and didn't know what the principal amount was? How would I calculate the principal amount? Click here to see answer by JBarnum(2044)

 Question 326854: what is 12.5% of 96? 60 Is 75% of what number? 6 Is what percent of 5? Click here to see answer by stanbon(57246)

 Question 326946: 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 nyc_function(2733)

 Question 327489: A man goes into a grocery store and buys a grapefruit and a toy ball. A 7% tax is applied to the price of non-food items. If the total bill is \$5.15, including \$0.18 in tax on the toy ball, what are the prices of the grapefruit and the ball? Click here to see answer by checkley77(12569)

 Question 327487: On the first day of school, the percentage of boys in a particular class is 60%. During the school year, six girls move away, and are replaced in the class by six boys; this makes the class roster 75% boys. Find the number of boys and girls in the class on the first day of school. Click here to see answer by ankor@dixie-net.com(15638)

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