# 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 101597: Increasing x by 19% is equal to decreasing y by 15%. y/x= x+.19x= y-.15y 1.19x=.85y now what?? Click here to see answer by edjones(7569)

 Question 104470: thanks edjones!!!! ther's a question again about fraction will you pls. HELP ME Solve: 0.25 + 0.65 Click here to see answer by edjones(7569)

 Question 104466: employees of a discount appliance store receive an additional 20% off of the lowest price on an item. IF an employee purchase a dishwasher during a 15% off sales, HOW MUCH WILL PAY IF THE DISWASHER ORIGINALLY COST \$450? Click here to see answer by edjones(7569)

 Question 104585: write the approximate percent for the following fractions. a.25/32 b.17/40 c.75/120 d.36/140 Click here to see answer by BurningFlame_marc(77)

 Question 97436: I need help in percentages. I being out of school for 8 yrs now. Click here to see answer by BurningFlame_marc(77)

 Question 81976: 25 decreased by 10% is what number? Click here to see answer by BurningFlame_marc(77)

 Question 104857: Compare the population per square mile in Asia to the population per square mile in North America in the year 2000. (Asia) 4,028,000,000 pop. sq. mi. 17,400 (North America) 305,000,000 sq. mi. 9,400 Do I divide the population by the square miles to begin with or am I off base here? Click here to see answer by Earlsdon(6287)

 Question 104862: what was the percentage increase in the mean population from 1950 2,556,000,00 and 2000 6,279,000,000 Click here to see answer by Fombitz(13828)

 Question 105767: Hi I am in school and trying to figure out how many points my teacher is offering. To start out(1) we have 9 quizzes which are worth 10pts each, 1 of the 10 pt quizzes are dropped. Section 1 is worth 35% of our grade(2) We have a midterm paper wort 30% of our grade. (3) We have a final worth 35% of our grade. The teacher has not told us what the point system is and did not tell us out of how many points the 2nd and 3rd sections are worth. Is there a way to figure this out? Click here to see answer by bucky(2189)

 Question 105791: Hi, I just took a test that had 10 questions, 8 questions were 2pts each and the other 2 were 7pts, so a total of 30pts. I want to calculate what my grade would be based on a 100pt scale, but I can't remember how. So lets say I got 25 of the 30pts, what would my grade be based on a 100pt scale? Even though I'll only get up to 30pts for this test, whenever I get my grade back I want to be able to tell if I made an A,B,C, and if it would calculate to a 90,80,70... Hope that makes sense! Thanks for the help. Click here to see answer by stanbon(57361)

 Question 105986: Which form would you find most convenient to use to calulate a tip of 20% on a meal that cost\$45.00? Click here to see answer by edjones(7569)

 Question 106164: Eric bought a picnic table on sale for 50% off the original price. The store charged 10% tax and his final cost was \$22.00. What was the original price of the picnic table? SHOW WORK, PLESE HELP- NEED SOON! Click here to see answer by stanbon(57361)

 Question 106349: Is 5,000/80% the same as 5,000/.8? Click here to see answer by stanbon(57361)

 Question 106392: If 80 is increased by 120 percent, what is the resulting number? Click here to see answer by HyperBrain(694)

 Question 106416: What is the total land area in Europe as a percent of Earth? Europe has 3800 and Earth has 57,900. do i divide or what? i am lost thank you Click here to see answer by stanbon(57361)

 Question 107187: how do you change decimal into a percent Click here to see answer by checkley75(3666)

 Question 107295: Can someone please help me? the problem says solve for i=Prt for t, given that i=\$90, P=\$500, and r=6%years. Click here to see answer by MathLover1(6634)

 Question 107403: 50 is what % of 25? Click here to see answer by checkley75(3666)
 Question 107403: 50 is what % of 25? Click here to see answer by bucky(2189)

 Question 107406: What % of 40 is 2? Click here to see answer by checkley75(3666)

 Question 107354: I would really appreciate it if someone would please help me with this problem. Solve A=P+ PRT FOR A, given that P=\$300,r=7%, and t=4 years. Click here to see answer by Fombitz(13828)

 Question 104583: write the approximate percent for the following fractions. a.25/32 b.17/40 c.75/120 d.36/140 Click here to see answer by mathnoob(8)

 Question 103159: 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 BurningFlame_marc(77)

 Question 108513: I have a percentage problem ....A school bus holds 57 students and is only 40% full. How many students are on the bus? I have the answer at 22.8, It got returned to me marked wrong because it is an unreasonable answer? I cannot figure out why it is unreasonable when it is the correct answer? Can someone please help me with this? Thank you very much, Bonnie Cook Click here to see answer by stanbon(57361)

 Question 108577: how do i find the new amount of this number increase 14 by 45% Click here to see answer by anne(47)
 Question 108577: how do i find the new amount of this number increase 14 by 45% Click here to see answer by checkley71(8403)

 Question 108617: Can you tell me how to solve this? 2/3 is what percent of 5/6 Click here to see answer by checkley71(8403)

 Question 109054: CONVERT 7.8 TO A PERCENT. THE ANSWER I CAME UP WITH IS 780%. IS THIS CORRECT. IF NOT PLEASE SHOW ME THE PROPER WAY TO WORK THIS PROBLEM. THANKS JMS Click here to see answer by oberobic(2304)

 Question 109122: 0.5 is what percent of 3? Thanks Click here to see answer by MathLover1(6634)

 Question 109359: What percent of 1,000 is 150? 46 is 20% of what number? What is 0.8% of 1,778 If there are 470 students in the class and 40% of the class are males, how many males are in the class? During a sale, a television that usually sells for \$900 is on sale for \$ 765. What is the percent decrease in price? Click here to see answer by checkley71(8403)
 Question 109359: What percent of 1,000 is 150? 46 is 20% of what number? What is 0.8% of 1,778 If there are 470 students in the class and 40% of the class are males, how many males are in the class? During a sale, a television that usually sells for \$900 is on sale for \$ 765. What is the percent decrease in price? Click here to see answer by MathLover1(6634)

 Question 109557: what % of 540 is 70.2? 32% of what number is 272? Click here to see answer by dborova(3)

 Question 109524: What percent of 65 is 13? Click here to see answer by dborova(3)

 Question 109574: FIND EACH PERCENT OF CHANGE. ROUND TO THE NEAREST TENTH. STATE WHETHER THE CHANGE IS AN INCREASE OR DECREASE. 1.) 144 to 204 2.) 758 to 604 3.) 8.3 to 9.10 I need this ASAP! Thanks whoever solves this! Click here to see answer by edjones(7569)

 Question 109610: Extra help needed for this problem. A manufacturer employs 24 part-tome workers. This is 30% of their employees. What is their total employee count? I really need help with this problem can someone explain it to me? Click here to see answer by stanbon(57361)

 Question 109609: I need this today ASAP. Six-sevenths of the tickets to a local community's group's annual performance were sold. If 82 tickets were left over, how many tickets were sold? Thanks a whole lot! Click here to see answer by jim_thompson5910(28595)
 Question 109609: I need this today ASAP. Six-sevenths of the tickets to a local community's group's annual performance were sold. If 82 tickets were left over, how many tickets were sold? Thanks a whole lot! Click here to see answer by MathLover1(6634)

 Question 109582: Dear tutors, My question is, A book store is having a sale. All hardback books are 20% off, and all paperbacks are 10% off. Suppose you buy four paperbacks that originally cost \$9 each and two hardbacks that originally cost \$20 each. What percent of the total cost have you saved? Round answer to the nearest percent. Please help me with this thanks! Click here to see answer by scott8148(6628)

 Question 109580: Dear Tutors, I am having trouble with this problem. It says, Since Todd received a 3% salary increase, his new yearly salary is \$25,750. What was his yearly salary before the increase? I tried to do this problem but I don't know how so whoever solves this can ou please show me how you got the answer please? Thanks Click here to see answer by scott8148(6628)

 Question 109683: Alice made a \$3,000 down payment on a new Ford Explorer Wagon. She still owes 90% of the selling price. What was the selling price of the wagon? Click here to see answer by stanbon(57361)

 Question 109781: The price of an antique doll increased from \$600 to \$800. What was the percent of increase? Round to the nearest tenth. Click here to see answer by kmcruz09(38)

 Question 109853: Dear Tutors, This question confuses me. A book store is having a sale. All hardback books are 20% off, and all paperbacks are 10% off. Suppose you buy four paperbacks that originally cost \$9 each and two hardbacks that originally cost \$20 each. What percent of the total cost have you saved? Round to the nearest percent. Whoever solves this may they explain how they got a answer. I need to know ASAP for a up coming test tomorrow. Click here to see answer by stanbon(57361)
 Question 109853: Dear Tutors, This question confuses me. A book store is having a sale. All hardback books are 20% off, and all paperbacks are 10% off. Suppose you buy four paperbacks that originally cost \$9 each and two hardbacks that originally cost \$20 each. What percent of the total cost have you saved? Round to the nearest percent. Whoever solves this may they explain how they got a answer. I need to know ASAP for a up coming test tomorrow. Click here to see answer by Edwin McCravy(8909)

 Question 110018: if 16 is the cost of a cd but there is a 16% discount wht is the new price Click here to see answer by HyperBrain(694)