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

Tutors Answer Your Questions about percentage (FREE)

Question 309557: How many liters of a 10% alcohol solution must be mixed with 40L of a 50% solution to get a 40% solution?
Click here to see answer by mananth(12270)

Question 310059: 18 is what percent of 24
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Question 310312: How to construct a pie chart
NASA Budget Use a pie chart to display the data. The data represents the 2007 NASA budget (in millions of dollars)divided amon three categories.
Science, aeronautics and exploration 10,651
Explortaion 6108
Inspector General 34
Need to know how to convert the numbers (in millions of dollars)to a percent to be able to start the pie chart.
Click here to see answer by nerdybill(7003)

Question 310386: Please help with this problem: Angles P & Q are complementary. If mLP=x and mLQ=x +20, find the measure of each angle. Please show me how it's done. Thanks
Click here to see answer by ankor@dixie-net.com(15746)

Question 310912: The product of two monomials is -9x^4y^5.If the first factor is - 9xy, what is the
second factor when x = 1 and y = -2 ?

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Question 311138: 18 is what percent of 360?
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Question 310224: 51 is 6% of what number ?

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Question 311595: This is my problem: A computer lists $850 as original price. It sales on 15% discount, what is the sale price?
I need help just with the formula. I tried and got $370 which I know is not right.
Thanks so much!
Click here to see answer by checkley77(12569)

Question 311646: Employees of a discount appliance store receive an additional 20% off of the lowest price on an item. If an employee purchases a dishwasher during a 15% off sale, how much will he pay if the dishwasher originally cost $450?
Click here to see answer by stanbon(57967)

Question 311697: if a pair of shoes cost 64.16 after a discount of 25% what is the original price
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Question 310897: a tennis resort has 1,200 guests. if 65% of the guests play doubles and singles, how many guests will play both games?
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Question 310227: What percentage is 28 of 100?
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Question 310225: 84% of what number is 14?
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Question 307955: State weather the precent of change is a precent of increase or a precent of decrease. Then find the precent of change. Round to the nearest whole number.
Original:11
New:33

Click here to see answer by JBarnum(2044)

Question 306721: Find the surface area of a rectangular that is 9 inches long, 5 inches wide, and 11 inches high. Thank you
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Question 312784: supply cost $49 dollars . how much is a guest saving by purchasing by a two month supply?
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Question 312795: c= r=4 units not for sure how to do it
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Question 313221: This is a type of question I do not seem to understand and I definitely need help with this problem:
The sales price of a car is $12,590, which is 20% off the original price. What is the original price?
Click here to see answer by rfer(12730)

Question 313134:
In the following problem, find what percentage the first number is of the second. Round your answer to one decimal place, where applicable.
1,417 = ____ of 855
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Question 313401: A sporting goods store is offering a 10% discount on in-line skates that normally cost $110.99. How much will the in-line skates cost with the discount, not including tax?
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Question 313541: John has a salary of $99,999 and he pays 15,000 in taxes. What percentage does he pay in taxes?
Click here to see answer by stanbon(57967)

Question 313565: If a student got 48 correct answers out of 60 what is the percentage he got correct
Click here to see answer by unlockmath(1614)

Question 314644: In the following problem, find what percentage the first number is of the second. Round your answer to one decimal place, where applicable.
20 = ____ of 50
Click here to see answer by malaydassharma(59)

Question 314658: If a test has 60 questions on it and you answered 45 of them correctly, what would your grade be, expressed as a percentage?
Click here to see answer by Jstrasner(106)

Question 314876: This is more of a word problem. When a number is decreased by 25% of itself, the result is 216. What is the number?
Thanks
Click here to see answer by CharlesG2(828)

Question 315179: 90 is 45% of what?
Click here to see answer by nerdybill(7003)

Question 315259: I need you help please. I need to show answers in decimal, fraction, percent, exponent and scientific notation. The problem is 2^3/2^7. What I came up with is in decimal it would be 0.062. In scientific notation would be 1.6*10^1. In fraction it would be 1/16. I need help in converting to percentage. Are the other answers correct? Please advise. Thank you.

Click here to see answer by Fombitz(13828)

Question 315943: There are twice as many girls as boys in a class. 50% of the girls & 80% of the boys have finished their test, what percent of the students are still working on the test?
Click here to see answer by ankor@dixie-net.com(15746)

Question 315978: If 1 euro = 1.4 Canadian dollars, how many Canadian dollars would you get for 3,200 euro.
A camera was for sale in a shop in Florida for 650 dollars. An identical camera costs 570 in Dublin. If 1 euro=1.3 dollars, by how much, in euro, is the camera more expensive in Dublin.
An importer buys television sets from a Japanese dealer for 60,000 yen each. The exchange rate is 1 euro = 141.8 yen. How much, in euro to the nearest cent, does he pay for each set?
Click here to see answer by unlockmath(1614)

Question 315965: A computer was sold for 1,350 euro + tax at 20% percent. The rate of tax was 21%percent.Find the total price of the computer.
The price of a camcorder, including tax at 20%percent is 528 euro. Find the price of the camcorder before tax is added.
What sum of money will earn 45 euro simple interest if it is invested at 9% percent per year for 1 year.
Click here to see answer by rfer(12730)

Question 315913: Phillip charged $400 worth of goods on his credit card. On the 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?
i cant figure out how to do this problem please help?
Click here to see answer by rfer(12730)

Question 315940: What is 15% of 30% of 50%
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Question 315940: What is 15% of 30% of 50%
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Question 316040: Brett a football player made 18 field goals out of 22 attempted field goals. To the nearest whole percent,what persent of the field goals were successful?
Click here to see answer by nerdybill(7003)

Question 316272: what percent is 78 is 29.25?
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Question 316274: what percent of 2060 is 412?
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Question 316283: 16 is what percent of 4?
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Question 316273: what is 10 1/4% of 66?
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Question 316281: 47 is what percent of 188?
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Question 316279: what percent of 468 is 210.6?
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Question 316277: 43.05 is what percent of 123?
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Question 316453: There were 1125 books sold last week in the bookstore. The circle graph summarizes books by genre. The central angel for the romance is 69.12 degrees. How many books were romance sold?
Click here to see answer by scott8148(6628)

Question 316417: i dont know how to read a piechart will u teach me??????
Click here to see answer by Fombitz(13828)

Question 316743: what percent of 1.6 is 0.1
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