# Questions on Algebra: Average answered by real tutors!

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 Algebra: Average Solvers Lessons Answers archive Quiz In Depth

 Question 575101: I am grading an exam. The first part of the exam is worth 60% of the total grade. The second part is worth 40%. How do I set up a grading system for each part of the exam, and then calculate the grade for the exam as a whole? dancw98@hotmail.com Click here to see answer by KMST(1868)

 Question 575040: 7 students took a quiz, 4 students recieved 85%. what % recieved an 85 on their test? Click here to see answer by chana(69)

 Question 575616: Ed scored 16, 18, 12, and 23 points in the first four basketball games of the season. How many points must he score in the 5th game to have an average of 18 points per game? Click here to see answer by JBarnum(2044)

 Question 575852: I have a 89.62% in Math. I just got a 74% on a test in Math. What is my final average grade? Click here to see answer by Alan3354(30983)

 Question 575882: Adam tried to compute the average of his 7 test scores.he mistakenly divided the correct sum of all of his test scores by 6, which yielded 84.what is adam's correct average test score? Click here to see answer by solver91311(16872)

 Question 576018: Show me how one arrive at the answer 77 for this problem. A total of 50 juniors and seniors were given a mathematics test. The 35 juniors attained and average score of 80 while the 15 seniors attained an average of 70. What was the average score for all 50 students who took the test? I know the answer is 77. I'm just not sure how to arrive at this answer. Is there a algebra formula that one can use to solve this problem and if so would you show me how to solve it using the algebra formula? My e-mail is zippor21@gmail.com Click here to see answer by ankor@dixie-net.com(15639)

 Question 576332: Jackie has grades of 73 and 85 on her first two algebra tests. If she wants to have at least a 72 average, what scores can she make on her third test? Click here to see answer by solver91311(16872)

 Question 576506: The sales price of a car is \$12,590, which is 20% off the original price. What is the original price? A. \$14,310.40 B. \$14,990.90 C. \$15,290.70 D. \$15,737.50 E. \$16,935.80 Click here to see answer by jim_thompson5910(28510)

 Question 576501: 1. If Lynn can type a page in p minutes, what piece of the page can she do in 5 minutes? A. 5/p B. p - 5 C. p + 5 D. p/5 E. 1- p + 5 Click here to see answer by jim_thompson5910(28510)

 Question 576499: 2. If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together? A. 2 hours and 24 minutes B. 3 hours and 12 minutes C. 3 hours and 44 minutes D. 4 hours and 10 minutes E. 4 hours and 33 minutes Click here to see answer by solver91311(16872)

 Question 576505: 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? A. \$280.90 B. \$287 C. \$292.50 D. \$306 E. \$333.89 Click here to see answer by josmiceli(9662)

 Question 576507: 5. Solve the following equation for A : 2A/3 = 8 + 4A A. -2.4 B. 2.4 C. 1.3 D. -1.3 E. 0 Click here to see answer by stanbon(57261)

 Question 576643: If I have a test with 25 questions how many will I have to get right to get a 73%? Click here to see answer by jim_thompson5910(28510)

 Question 577164: So far in my microbiology I have a 66.27% final average with no exam to take. I have three essays that need to be graded at 10% for the grades. Will this be enough to raise my final average to 70% Click here to see answer by solver91311(16872)

 Question 577913: A teacher has two math classes. In one class there are 80 students and the average grade on a test was 30. In her other class there are 40 students and the average grade on the same test is 50. What is the average grade of all her students? Click here to see answer by dfrazzetto(277)
 Question 577913: A teacher has two math classes. In one class there are 80 students and the average grade on a test was 30. In her other class there are 40 students and the average grade on the same test is 50. What is the average grade of all her students? Click here to see answer by stanbon(57261)

 Question 578013: Hello Please, can you explain me what "Median market value" means? My son is in 4th grade and he has a problem with this expression and I don't know what is it... Thank you. Click here to see answer by KMST(1868)
 Question 578013: Hello Please, can you explain me what "Median market value" means? My son is in 4th grade and he has a problem with this expression and I don't know what is it... Thank you. Click here to see answer by solver91311(16872)

 Question 579680: 2 mystery numbers=138. One of the numbers is 32 more than the other. What are the 2 numbers Click here to see answer by dfrazzetto(277)

 Question 580166: claudia has an average of 87 in five examination.What grade must she receive on her next test if she wants to raise her average to 89? Click here to see answer by scott8148(6628)

 Question 580348: I have been working on this math problem for the past 2 hours and is having a difficult time with it. Can anyone please help me. p(x)= -.1x^2+50x-300, where x is the number of items sold, x>0. Please and thank you Click here to see answer by dfrazzetto(277)

 Question 581074: perform the indicated operation 2/3 divided by 1/2 Click here to see answer by rfer(12652)

 Question 581092: order the following from least to greatest 6 7 -2/3 -3/4 0 Click here to see answer by rfer(12652)

 Question 581353: if a quiz is 40% of my grade what will i have to get to go from a 79 to an 85 Click here to see answer by Alan3354(30983)

 Question 581814: six scores have a mean of 8. What must the 7th score be to increase the mean by 1? Click here to see answer by jim_thompson5910(28510)

 Question 582107: i took a test of 90 questions. i missed 12 what would my precent be and how do I figure that out? thanks you for the help, Ed Click here to see answer by jim_thompson5910(28510)

 Question 582508: Mary's average grade on 5 math tests was 88.  If her lowest grade was dropped, her average on the other 4 tests would be 90.  What was Mary's lowest grade in the original set of 5 grades? (72 - 3) Click here to see answer by josmiceli(9662)

 Question 583088: Thanh has scores of 57, 85, 67, and 75 on his first four math exams. What score must he make on the fifth exam to have an average of 70 or better for the five exams? Click here to see answer by JBarnum(2044)

 Question 583335: Write in scientific notation. 0.000742 and show the work how you got the answer Click here to see answer by mananth(12270)

 Question 583427: Frank scored 7 points in the first half and 9 points in the second half of the basketball game. The total points he scored represented of the total points his team scored. How many total points did his team score? Click here to see answer by dfrazzetto(277)

 Question 584238: If i have a 62 in history and have an exam tomorrow what would i need to make on the exam to pass the class with atleast a 65 Click here to see answer by Alan3354(30983)

 Question 584341: how would you work a percentage of something e.g 50%of 12? i have a maths test tomorrow reply as soon as possible thank you Click here to see answer by richwmiller(9135)

 Question 584328: you have two test grades one of 84 and 82. what must you get on the third test to have an average of 85 Click here to see answer by richwmiller(9135)

 Question 585095: Average of 4 numbers is 60. Three numbers are 65,50 and 70. Find the fourth number. Click here to see answer by richwmiller(9135)
 Question 585095: Average of 4 numbers is 60. Three numbers are 65,50 and 70. Find the fourth number. Click here to see answer by josmiceli(9662)

 Question 585349: I have a 95%, my final exam is worth 90% of my grade with 115 questions, what do I need to make to pass with an 80%? Click here to see answer by jim_thompson5910(28510)

 Question 585749: 17-x-3 = 15-8x solve for x using logarithms Click here to see answer by Edwin McCravy(8883)

 Question 585878: what is the average of 86 and 62? Click here to see answer by jim_thompson5910(28510)

 Question 586069: student scored 85, 49, 67, and 83 on four tests. What score would the student need to make on the next test to have a mean score of 75? Click here to see answer by rfer(12652)

 Question 586075: So if u got 15 points wrong on a 50 point test what grade did u get Click here to see answer by rfer(12652)

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