# 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 30055: A school sent up 80 candidates for a certain examination and our result was 60% pass. What would be the number of students detained so that the result be 75% pass? A. 20 B. 13 C. 26 D. 25 Click here to see answer by AnlytcPhil(1278)

 Question 30259: I have 77 patients. 2 of the 77 patients were treated poorly. If my Threshold is 100% excellent treatment, what is my compliance expressed in %? I am getting myself lost. I did p/100=2/77 then I did 77/77p=200/77 then I did p=2.59740 or round to 2.59 but that does not make sense. Can you help me? Click here to see answer by checkley71(8403)

 Question 30527: What percent increase is the distance between \$5 million and %5.7 million? Click here to see answer by checkley71(8403)

 Question 30592: What is pi(not pi/4) if we take the first 5 terms in this series? pi/4=1-1/3+1/5-1/7+.... Click here to see answer by Fermat(127)

 Question 30851: Brand X costs \$1.65 for 11 ounces. Brand Y cost \$. 2 more per ounce what is the cost of 15 ounces of Brand Y Click here to see answer by checkley71(8403)

 Question 28953: Hi, I need help with a problem. I can figure it out, but need to set it up in an algebra equation. Here it is: Irving School, Hoover School, and West School participated in a clean-up campaign to collect scrap aluminum. Irving School collected 40% more scrap aluminum than Hoover School. Hoover School collected 25% more than West School. If the total collected by the 3 schools was 560 kg, how much did Irving School collect? Click here to see answer by checkley71(8403)

 Question 31625: Hi, I have a question on how to set up this problem: A salesperson makes a weekly salary of \$150 and a 7.5% commission on all sales over \$100. How much must the salesperson sell in order to receive a weekle income of \$500? Thanks for your help Click here to see answer by mukhopadhyay(490)

 Question 31800: Someone asked this question earlier and the answer is given I just want to know how u got .75? A pair of jeans sells for \$36 after a 25% discount. What is the original price of the jeans? x-0.25x=36 0.75x = 36 x = 36/0.75 x = 48 So, the answer is \$48. How dod uget the .75 What do u do to get that? Thank You Click here to see answer by longjonsilver(2297)

 Question 31978: You are at a shoe store. There is a pair of shoes for \$100. The manager takes 50% off \$100.Then he takes 30% off the new price. Finally he takes 20% of the last price. What is the total discount as a percent of the original price. THank You, your help will be appreciated, robert Click here to see answer by stanbon(57962)

 Question 32270: the number of women under the jurisdiction of Federal or State prison authorities is 97,491, while the number of men is 1,343,164. Using this data, find the percentage of the total people that were a. women b. men please explain this very well because I dont know anything about math, thank you so much Click here to see answer by ikdeep(226)

 Question 32269: the number of women under the jurisdiction of Federal or State prison authorities is 97,491, while the number of men is 1,343,164. Using this data, find the percentage of the total people that were a. women b. men Click here to see answer by ikdeep(226)

 Question 32324: On December 31, 1995, there were an estimated 411 prison inmates per 100,000 U.S. residents. This number rose to an estimated 476 inmates per 100,000 U.S. residents by December 31, 2002. a. What percentage of the U.S. population were prison inmates at the end of 1995? b. What percentage of the U.S. population were prison inmates at the end of 2001? Click here to see answer by checkley71(8403)

 Question 32388: 1990 population 23,365 1995 population 24,226 2000 population 24,226 a. the percent increase from 1990 to 1995. b. the percent increase from 1995 to 2000. c. the percent increase from 1990 to 2000. Click here to see answer by checkley71(8403)

 Question 32524: The number of people at this year's walkathon was 12% higher than last year. If 1344 people walked this year, how many people walked last year? Click here to see answer by ikdeep(226)

 Question 32344: 23,364 in 1990 23,226 in 1995 25,088 in 2000 What is: a. the percent increase from 1990 to 1995. b. the percent increase from 1995 to 2000. c. the percent increase from 1990 to 2000. please explain how you get the answer is very simple terms, thank you. Click here to see answer by mukhopadhyay(490)

 Question 32783: how do I solve? 6x – 0.37 = 5(x – 0.28) Click here to see answer by longjonsilver(2297)

 Question 33324: John surveyed a group of people about their knowledge of rats. To the nearest tenth of a percent, he found that 86.8% of the people surveyed thought rats carried diseases. Of the people who thought rats carried diseases,45.7% said that rats frequently carried rabies. Since rats do not frequently carry rabies these 21 people were mistaken. HOw many total people did john survey? Click here to see answer by stanbon(57962)

 Question 33327: a Employees new salary is \$26,355 after getting a 5% raise, what was the employees salary before the raise? Click here to see answer by stanbon(57962)

 Question 33346: My 2006 budget is 172,588.52 and my 2005 was 165,458.32. The difference is 7,130.20. What is the percentage increaseover 2005 budget? Thanks Maria Perez Click here to see answer by mukhopadhyay(490)

 Question 33395: JIM SELLS A STATUE FOR 670\$ WHICH IS 35% PROFIT OVER HIS COST. HOW MUCH DID THE STATUE ORIGINALLY COST? Click here to see answer by mszlmb(115)

 Question 33650: If the total bill at a restaurant, including a 15% tip, is \$65.32, what was the cost of the meal alone? Click here to see answer by mukhopadhyay(490)

 Question 33652: Graph the following inequality - x > 4 Click here to see answer by Prithwis(166)

 Question 33884: 26 is what percent of 45, and how do you solve it? Click here to see answer by Nate(3500)

 Question 34329: I have to solve a kind of word problem. this is exactly what is says: Sahar began work on a 52 KB text file at noon. By dinnertime, the file had increased to 472 KB. What was the percent of increase in her file? round to the nearest percent. A 111% B 89% C 808% D 420% THE TEACHER SAID THAT THE ANSWER WAS C BUT I REALLY DON'T UNDERSTAND HOW HE GOT THAT ANSWER. I HOPE YOU CAN HELP. (I'M IN 7TH GRADE) Click here to see answer by longjonsilver(2297)

 Question 34687: (1) write each percent as a fraction or mixed numder in the simplest form. 320%. Click here to see answer by stanbon(57962)

 Question 34684: (1) A sales tax of \$6.18 is added to a purchase of \$95. Find the tax rate. (2) Bob receives 3.5% commission on his sales job. Find the commission if his sales total \$685. (3) Louis earned \$2375 on a sale of \$95,000. Find his commission rate. (4) A computer is on sale for 15% off the regular price of \$2800. Find the discount and the sale price. Click here to see answer by checkley71(8403)

 Question 34873: Find the percentage of increase or decrease for the following: 2 to 15 20 to 13 Thank you very much! Click here to see answer by checkley71(8403)
 Question 34873: Find the percentage of increase or decrease for the following: 2 to 15 20 to 13 Thank you very much! Click here to see answer by stanbon(57962)

 Question 34933: During a sale, the price of a book is reduced by 25%. The sale price is then further reduced by 40%. The cost of the book as a percentage of the original price is? Click here to see answer by mbarugel(146)

 Question 35320: my question is how would I solve this equation 34% of 250 = Click here to see answer by checkley71(8403)

 Question 35693: what is 66.86% rounded to the nearest hundredth? Click here to see answer by benni1013(197)

 Question 35925: one fith of eight chariots lost wheels in the chase. what percent of the chariots lost wheels? Click here to see answer by Prithwis(166)

 Question 34780: During a sale,the price of a book is reduced by 25%. The sale price is then further reduced by 40%. The cost of the book as a percentage of the original price is? Click here to see answer by stanbon(57962)

 Question 36278: If I bought a bicycle that cost \$385.89..and I paid 7% sales tax..What will the total amount paid for the bike be? Click here to see answer by vidhyak(94)

 Question 36281: Willie answered 92% of a 25 question test correctly.How many questions did he answer correctly?? At John's party,18 friends attended but 6 friends could not come.What % of the people invited could come to the party? Click here to see answer by checkley71(8403)

 Question 38036: At two o'clock the hands of a clock form an acute angle of Click here to see answer by fractalier(2101)