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

Tutors Answer Your Questions about percentage (FREE)

Question 386928: what is 90% of 50?

Click here to see answer by mananth(16949)

Question 386521: 22 is 73.5% of what number?

Click here to see answer by gwendolyn(128)

Question 387857: Eighty percent of students in a math class passed the midterm exam. If 16 students passed the midterm exam, how many students in the class did not pass the exam?
Click here to see answer by MathLover1(20855)

Question 388207: 12 people is what percent of 48 people?

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Question 388208: $6 is 15% of what amount of money?
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Question 388806: Please help me solve this problem: a commission of $168 on $560 is a commission Of what per cent?
Click here to see answer by josmiceli(19441)

Question 389100: What is the easiest way to understanding percentage
Click here to see answer by Fombitz(32388)

Question 389111: how do I know how much an item is if it is on sale?
Click here to see answer by haileytucki(390)

Question 389111: how do I know how much an item is if it is on sale?
Click here to see answer by Alan3354(69443)

Question 389725: word problem. full 5 step solution is not required, but please show work. thankyou
lisa invested in corn. she lost 5% of her investment, costing $110. what was her inital investment?

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Question 390633: what would the percentage be if I had 1036 of 1200 points

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Question 390767: I am trying to teach my child how to find 70% of 120, but have forgotten myself!

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Question 390767: I am trying to teach my child how to find 70% of 120, but have forgotten myself!

Click here to see answer by solver91311(24713)

Question 390801: I have a math problem with area and percent. I am so frustrated not sure what the formula would be to work out the problem. Here is the problem;
The circle graph shows the land area of each of the seven continents in square miles. The total land area of the seven continents is 57,240,000. This is the question in my book. What percent of the total land area is the land area of Australia?
Australia is 2,970,000. How do I work this problem out step by step? I have more problems like this and need to learn how to solve these problems. I really need a written example so that I will be able to follow it step by step and practice so I can become a better student.
I thank you so very much.
Lady J
Click here to see answer by scott8148(6628)

Question 391802: barney baked 100 pastries for a school picnic. of these 100 pastries 65 were doughnt and the rest were croissants what percent of barney's pastries were croissants
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Question 392797: if you have 2000 students and 20 do not return what is the percentage of students that are returning?
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Question 392851: The question is based on the data in a pie chart
Section A= 21%
Section B=49%
Section C=8%
Section D=22%
If the school has 91 students in the whole chart, how many students are in section A?
Thanks for any help!!
Click here to see answer by stanbon(75887)

Question 392875: The question is based on data from a pie chart
Section A=28%
Section B=13%
Section C=51%
Section D=8%
What fraction of the animals at the aquarium are in section C?
Any help would be great
Thanks!
Click here to see answer by checkley79(3341)

Question 392858: The question is based on the data in the pie chart
Section A-21%
Section B-49%
Section C-8%
Section D- 22%
What fraction of students are in section B?
Thanks for any help!!
Click here to see answer by checkley79(3341)

Question 393588: A 25-ounce solution is 20 percent alcohol. If 50 ounces of water are added to it, what percent of the new solution is alcohol?
Click here to see answer by robertb(5830)

Question 393734: Can you check to see if I did these three problems correct?!
1) What percent of 12 is 2?
I divided 2 by 12 and got x=.16 & then moved the decimal over 2 spots. FINAL ANSWER: 16%
2) 82 is 71% of what?
I divided 82 by 71 and got 1.155 then moved decimal over 2 spots. FINAL ANSWER: 115.5
3) 15% of what number is 250?
I moved the decimal to the left in 15 to make .15. Then i divided 250 by .15 and got 1666.6
Did I do any of those right!? Please check and show me what i did wronge.
Thank you!
Click here to see answer by ewatrrr(24785)

Question 393918: A laptop is purchased for $4800. Each year its value is 75% of its value the year before. After how many years will the laptop be worth $500 or less? Write the number as a whole number.
Click here to see answer by solver91311(24713)

Question 394266: how much does jane pay for 1 pound 12 ounces of apples at $1.96 per pound?
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Question 394266: how much does jane pay for 1 pound 12 ounces of apples at $1.96 per pound?
Click here to see answer by TeishaRenee(14)

Question 394266: how much does jane pay for 1 pound 12 ounces of apples at $1.96 per pound?
Click here to see answer by ewatrrr(24785)

Question 394336: how do you make a circle graph from numbers provided
Click here to see answer by Alan3354(69443)

Question 394847: how do you write 20percent in simplest form

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Question 394943: pls help me how to compute it into pie graph..its all about getting a percentage in 1st semester..
tuition fee:1600
food:7200
transportation:6720
Projects/school supplies:5400
books:4800
others:3500
Click here to see answer by ewatrrr(24785)

Question 395001: You and your family went to Applebee's for lunch. The total bill was $45. If you want to leave a 20% tip, how much will you pay IN ALL?
Thanks for your help.
Click here to see answer by ewatrrr(24785)

Question 395124: How can i change 12 1/5% into a decimal?
Click here to see answer by EricL(29)

Question 395128: How do i change 66% to a reduced fraction and to a decimal (rounding the answer to the nearest thousandth)?
Click here to see answer by Earlsdon(6294)

Question 395626: In December, there are 2060 lotery tickets. 80% pf them have not won. How many people who have taken a lotery ticket won?
Click here to see answer by stanbon(75887)

Question 395738: I am doing Pre-Algebra Homework on Percents and i don't know how to calculate this problem 75% of 76 is what number? I need help by trying to calculate (procedures)
Click here to see answer by richard1234(7193)

Question 395806: Find the new amount.
14.) 24,700 is decreased by 13%.
Click here to see answer by ewatrrr(24785)

Question 396489: Of the 652 students enrolled at Lincoln High School, 160 are of Hispanic descent. Approximately what percentage of the student enrollment is of hispanic descent?
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Question 397612: my problem says 'Sarah bought a laptop for $1800. The total cost, including tax, came to $1890. What is the tax rate?' I know there is a certain formula to solve it, I'm just not sure what it is.
Click here to see answer by nerdybill(7384)

Question 397516: A customer buys three bottles of water at ninety-nine cents each. There is seven percent tax on each bottle. What is the total bill?
Click here to see answer by ewatrrr(24785)

Question 397941: The ticket price of the swimming pool is to be priced so that the average price is 4.4 �.
Students, unemployed, pensioners and children will receive a discount of 30%.
How much the ticket price should be set.. if 40% of visitors are entitled to a discount??
i tried and i found 10�...am i right ?
Click here to see answer by josmiceli(19441)

Question 398066: After a rise in the price of petrol, the driven mileage dropped down by 6.7%. However the fuel cost increased by 4.5%. By what percentage did the petrol price rise?
Click here to see answer by Tatiana_Stebko(1539)

Question 399180: find 10% of 50. solve the percent problem
Click here to see answer by richard1234(7193)

Question 399172: find 10% of 50. solve the percent problem
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