# Questions on Algebra: Average answered by real tutors!

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 Algebra: Average Solvers Lessons Answers archive Quiz In Depth

 Question 565040: Suppose 88 people took the final exam in a math class. If 11 people got an A on the final exam, what fraction of the students did not get an A on the exam? Write your answer in lowest terms. Click here to see answer by stanbon(57967)

 Question 565071: If \$5000 is invested at an annual interest rate of 9% compounded continuously, how much is available after 5 years? Round to the nearest whole dollar. (Points: 1) Click here to see answer by nyc_function(2733)

 Question 565516: A student scored 65,86,and 98 on three algebra test. What must he score on the fourth test in order to have an average grade of at least 85? Click here to see answer by scott8148(6628)

 Question 565627: The average SAT score of eleven students was 2,ooo. When Mary's score was added to the other eleven scores, the average went up to 2,010. What is the positive difference between her score and the initial average score? Click here to see answer by ad_alta(240)

 Question 565875: If I have a 84.23% in English class, and I get 93% on my finals which is 20% of my grade, what will my final score be? Click here to see answer by ad_alta(240)

 Question 565819: a student earned a grade of 80% on a math test that had 20 problems . How many did he get right? Click here to see answer by ad_alta(240)

 Question 566313: If I have 73% in a class and I get a 63% on a test and the test weighs 30% what will my grade be Click here to see answer by ad_alta(240)

 Question 566416: A stuent received scores of 51, 79, and 57 on their first three tests for a class. There will be a total of four tests for the class and the student hopes to acheive and average score of n in the class. Express the score, S, needed on the fourth test to acheive this average, as a function of n. Click here to see answer by ankor@dixie-net.com(15746)

 Question 566511: a coffee can is shaped like a cylinder 13cm high.Its base is a circle with diameter of 10 cm. What is the circumference of the base? Click here to see answer by bucky(2189)

 Question 566780: what is the average of 86, 79, 81, 69, 80 Click here to see answer by jim_thompson5910(28715)

 Question 566844: what is the mean of 80+83+79+86 Click here to see answer by solver91311(17077)

 Question 567193: find the average of 7, 11, 14, 28, and 71 Click here to see answer by stanbon(57967)

 Question 567277: the average of 3 numbers is 63. What is the value of a fourth number x if the average of the four numbers is 60? Click here to see answer by htmentor(807)

 Question 567342: what is the answer to 7 divided by 7/5 Click here to see answer by Edwin McCravy(8999)

 Question 567596: a teacher gave five test in english gina got the following score in the fist four tests. 83,86,79, and 80 what must be her score in the fifth test so that he aveege is 85% Click here to see answer by bucky(2189)

 Question 568644: In the mathematical statement "90 is 25% of 360," the percentage is: A) 90 B) 25% C) 360 D) None of the above. Click here to see answer by nyc_function(2733)

 Question 568769: what grade would i have if i got 15% wrong on my test in math Click here to see answer by Alan3354(31518)

 Question 569105: The earliest mechanical clock appeared around 1350 in europe and would gain or lose and average of 30 minutes per day. After that, accuracy roughly doubled every 30 years. find the predicted accuracy of the clock in the years 1700 and 2000. Click here to see answer by Alan3354(31518)
 Question 569105: The earliest mechanical clock appeared around 1350 in europe and would gain or lose and average of 30 minutes per day. After that, accuracy roughly doubled every 30 years. find the predicted accuracy of the clock in the years 1700 and 2000. Click here to see answer by josmiceli(9817)

 Question 569108: The Radioactive isotope technetium 99m (99mTc) is used in imaging the brain. the isotope has a half life of 6 hours. If 12 milligrams are used how much will be present after three hours and 24 hours? Click here to see answer by htmentor(807)

 Question 569356: Ok, my son is has a problem in Algebra, he is in the 9th grade. I can get the answer for him but he need to write it in algebra terms. I never took algebra in school, so if I can tell you the question. can you please tell me how to write it in algebra terms. Mike just got a phone bill for \$27.60. he is charge \$.07 per minute for local calls and \$.20 for long distance calls. he talked for a total of 320 minutes. How many long distance minutes did he use? It sounds just like a typical story problem and easy to solve but feel bad that I can't put it in Algebra form Thanks so much, Until Next time, Sue Click here to see answer by ankor@dixie-net.com(15746)

 Question 569329: im currently getting 97% in my math class, so would the minimum percent i need to get on my next test to keep my mark at 97%, be 97%? if not, then what would the minimum percent needed to keep it at 97%? Click here to see answer by richard1234(5390)

 Question 569905: natasha got 5 different grades on her math tests. Both the mean and median of her scores was 80. What are five scores she could have gotten on the tests? Click here to see answer by ankor@dixie-net.com(15746)

 Question 570171: What is the average (arithmetic mean) mean of 213 and 215 ? Click here to see answer by stanbon(57967)

 Question 570267: what is the average of 1/4 and 1/6? Click here to see answer by Maths68(1474)

 Question 570259: WHAT IS 82% OF 450 Click here to see answer by Maths68(1474)
 Question 570259: WHAT IS 82% OF 450 Click here to see answer by JBarnum(2044)

 Question 570657: hello? Click here to see answer by Alan3354(31518)

 Question 570837: If i got 77% on my first test what percentage should i get on my last test to get a 90% average? Click here to see answer by Alan3354(31518)

 Question 570888: a person took four tests and got an 88, 86, 84, an a 93. the last test is worth 3 test grades. what do u have to get on the last test to get a 90 for the class? Click here to see answer by stanbon(57967)

 Question 570894: 700 points will get 100% how many points will get 80% Click here to see answer by jim_thompson5910(28715)

 Question 570946: I took a practice test and got 20 WRONG out of 50 QUESTIONS so what would my grade be? Please explain how you got to your answer. Click here to see answer by jim_thompson5910(28715)

 Question 571747: what is the final score of 65 out of 100? Click here to see answer by Alan3354(31518)

 Question 572492: To get an A in a course, you must have an average at least 90 points for qty 4 tests. The first 3 test are worth 100 points and the 4th test is also worth 100 points (but it is worth double or counted twice). For the first three test your scores are 87, 92, and 84. What must you score on the final test to receive an A (a 90% or greater average)? Hint: This is equivalent to qty 5 test where you need to score 5 x 90 points or 450 points when adding the five scores (the last test is counted twice). Click here to see answer by bucky(2189)

 Question 572500: if there are 85 questions in an exam, how many do i need to pass with a 70% ? Click here to see answer by Theo(3504)

 Question 572306: i got an 85% and an 50% what would my percent be Click here to see answer by ankor@dixie-net.com(15746)

 Question 572773: a student received grades of 79, 90 and 83 on the three math tests. what grade does the student need on the fourth test to have an average test score of at least 85 Click here to see answer by Alan3354(31518)

 Question 572807: what is your grade if you got 30/40 Click here to see answer by bowwowwoff(1)

 Question 572881: I have tried to work tyhis problem out every which way and just can not figure it out. There does not seem to be an example of this in my book. Thank You, Nick Raquel is mixing lemon-lime soda and a fruit juice blend that is 45% juice. If she uses 3 quarts of soda how many quarts of fruit juice must be added to produce punch that is 30% juice? Click here to see answer by solver91311(17077)
 Question 572881: I have tried to work tyhis problem out every which way and just can not figure it out. There does not seem to be an example of this in my book. Thank You, Nick Raquel is mixing lemon-lime soda and a fruit juice blend that is 45% juice. If she uses 3 quarts of soda how many quarts of fruit juice must be added to produce punch that is 30% juice? Click here to see answer by josmiceli(9817)

 Question 574131: Could someone please help me with this problem? The average of Becky Jo's first two tests was 90. The average of her next eight tests was 95. What was her overall average? Click here to see answer by josmiceli(9817)

 Question 574145: If I have an average of 82 in a class, what is the lowest grade I can make while still passing with a 70? Click here to see answer by stanbon(57967)

 Question 574606: Tom received 89, 94, 86, and 96 on the first algebra tests. What grade must he receive on his last test to have an average of 92? Click here to see answer by jim_thompson5910(28715)

 Question 574639: If I got a 54% for my 1st quarter and 71% for my 2nd quarter, what should my final grade average out to? Click here to see answer by richard1234(5390)

 Question 575034: the average of four numbers is 98 if three of the numbers are 86 87 and 91 what is the fourth number Click here to see answer by ikdeep(226)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420