# 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 152352: how do i work a reverse percentage...for example, if i multiply .085% by 100, i get 8.5...how do reverse calculate this equation to get back to 100, if i didn't know that 100 was the original number the percentage was calculated from? Click here to see answer by jojo14344(1512)

 Question 152362: How do you convert a fraction to a percent? Click here to see answer by ankor@dixie-net.com(15660)

 Question 152776: 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 oscargut(891)

 Question 152963: the edge tickets is offering 5% off the price of tickets to diving events. a category a ticket to the mens 3 meter spring board finals is \$420. how much would 4 tickets to that event cost after the discount? Click here to see answer by jojo14344(1512)

 Question 153020: A certin sum of money is invested at 10%. Twice that amount is invested at 8%. The total amount of intrest from both investments is \$91. How much is invested at 8%. Click here to see answer by nerdybill(6962)

 Question 153239: what percent of one u.s. dollar is \$.25? Click here to see answer by mangopeeler07(462)
 Question 153239: what percent of one u.s. dollar is \$.25? Click here to see answer by jim_thompson5910(28598)

 Question 153656: mr. white saved \$30 by taking advantage of a 12% reduction on a television set. what would have been the price without the discount? Click here to see answer by orca(409)

 Question 153948: If you have a bowl of mashed potatoes, and your brother eats 20% of the bowl before dinner, how much is left for the rest of the family? Click here to see answer by orca(409)

 Question 153947: If a pie has 12 slices, and 1/4 of them are eaten, what percentage of the pie remains? Click here to see answer by Fombitz(13828)

 Question 154179: Hello, I thought I was pretty good at percentages but these few problems have me stumped. I would appricate any help you could give me. Thank you in advance. 1. The average person expels 200 mL of water per day by sweating. This is 8% of the total output of water from the body. How much is the total output of water. 2. The population of Wyoming increased from 454,000 in 1990 to 494,000 in 2000. Find the percent of increase in population. 3. Find the amount owed if \$3000 is borrow at 5%, compounded annually, for 2 years. Thank you for any help you can give me. Cheryl Click here to see answer by Alan3354(30993)

 Question 154075: # of pets = # of students 0 6 1 7 2 3 3 5 4 or more 9 Rosa wanted to make a circle graph of the data, so she made the angles match the numbers in the chart by multiplying by 10. She got 60, 70, 30, 50, 90. There seems to be sime space left over, but Rosa said she just musthave measured the angles wrong with her protractor. How could you help her? Click here to see answer by josmiceli(9697)

 Question 153949: If you increase the amount of turkey you eat this coming Thanksgiving by 400% and you eat 12 slices this year, how many slices did you eat last year? Click here to see answer by jojo14344(1512)

 Question 154206: Using Excel I want to find 25% of £100 which is £25.00 (Excel formula =100*25%) what is the formula or calculation to get back to £100 i.e to reverse from the 25%? Answers would be gratefully appreciated. Click here to see answer by jim_thompson5910(28598)

 Question 154266: what is the formula to add 35% to a dollar amout Sample (if i have a picture that is selling for \$50.00 dollars and i need to add 35% what would the number be). also what is the formula. Click here to see answer by oscargut(891)

 Question 155495: 1. 7=(?)% of 28 2. 3/16=(?)% x 3/4 3.9is what percent of 27 4. 12:30 as a percentage Click here to see answer by checkley77(12569)

 Question 156365: last years # was 2827 it increased to 3193. What is the percentage increase? Click here to see answer by gonzo(654)

 Question 156999: if income tax for a certain student is 23%, how much gross pay does that student need to earn to be able to keep \$250 (Assume no other deductions.) Click here to see answer by gonzo(654)

 Question 157042: Please explain. A manager checked production records and found that a worker produced 160 units while working 40 hours. In the previous week, the same worker produced 138 units while working 36 hours. Did the worker's productivity increase, decrease, or remain the same? Explain how? Click here to see answer by checkley77(12569)

 Question 157041: An operation has a 10 percent scrap rate. As a result, 72 pieces per hour are produced. What is the potential increase in labor productivity that could be achieved by eliminating the scrap? Click here to see answer by checkley77(12569)

 Question 157040: An operation has a 10 percent scrap rate. As a result, 72 pieces per hour are produced. What is the potential increase in labor productivity that could be achieved by eliminating the scrap? Click here to see answer by checkley77(12569)

 Question 157293: 2 is what percent of 2.5? Is this correct? 2/100= 0.02 0.02*2.5=0.05 0.05*100=5 Click here to see answer by gonzo(654)

 Question 157525: A manager checked production records and found that a worker produced 160 units while working 40 hours. In the previous week, the same workere produced 138 units while working 36 hours. did the worker's productivity increase, decrease, or remain the same? Explain. Click here to see answer by jojo14344(1512)

 Question 157524: Please help. An operation has a 10 percent scrap rate. As a result, 72 pieces per hour are produced. What is the potential increase in labor productivity that could be achieved by eliminating the scrap? The answer is 11.1%, but I don't know how to they got it? Click here to see answer by josmiceli(9697)

 Question 157523: Please help. An operation has a 10 percent scrap rate. As a result, 72 pieces per hour are produced. What is the potential increase in labor productivity that could be achieved by eliminating the scrap? The answer is 11.1%, but I don't know how to they got it? Click here to see answer by checkley77(12569)

 Question 157955: If I am given 43 minutes to complete a task at work, and I complete it in 43 minutes I would have performed the task at 100%. Now if I am able to complete the task at 145% how many minutes would it have taken me to complete the assignment? Click here to see answer by nerdybill(6962)

 Question 158164: If my total monthly income is \$6,000 and my total monthly expenses are \$389.14, what percentage of income do I have left for food, clothing, rent or mortgage? Click here to see answer by jim_thompson5910(28598)

 Question 158184: If the item costs \$139.99 and the item is on sale for 25% off , how much does the item cost? and how do you know ? Click here to see answer by nerdybill(6962)

 Question 158513: express 12 out of 16 as a precent Click here to see answer by jojo14344(1512)
 Question 158513: express 12 out of 16 as a precent Click here to see answer by mizjoice(22)

 Question 158978: if you have \$160 , what percent of money would you need to save if the item cost \$139.99 ? Click here to see answer by checkley77(12569)

 Question 159091: How is percentage changes worked out? Eample: If you were earning \$400 a week and received a \$10 raise, by what percent was your salary increased? Click here to see answer by jojo14344(1512)

 Question 159223: A rock group is going on a talk show. Their Song is 5 minutes 22 seconds, but their time slot is only 4 minutes 58 seconds long. How much faster do they have to play to get the song to fit their time slot? Click here to see answer by nerdybill(6962)

 Question 159503: express 24 out of 20 as a precent Click here to see answer by jim_thompson5910(28598)

 Question 159630: An Bike didn't sale for the original price it was then discounted 50% and still didn't sale so it was discounted another 25%. The bike finally sold for 180.00 which was 4/5 of the original price. what is the original price? Click here to see answer by checkley77(12569)

 Question 159773: Jeans are on sale for 40% off the list price. If the original price of a pair of jeans is \$48, find the sale price. Click here to see answer by edjones(7569)
 Question 159773: Jeans are on sale for 40% off the list price. If the original price of a pair of jeans is \$48, find the sale price. Click here to see answer by KnightOwlTutor(293)

 Question 159821: 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 vleith(2825)

 Question 159804: employees of a discount appliance store recieve an additional 20% off the lowest price on an item. if an empoyee 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 petvetizhere(5)

 Question 159891: As an investment Ms. Astoy purchased 2 paintings. She later sold the 2 paintings for \$24,000 each. On one painting she made a 20% profit, but on the other she experienced a 20% loss. Ms. Astoy los ____ on her investments in the 2 paintings. Click here to see answer by ankor@dixie-net.com(15660)