math

Paul has grades of 73 and 86 on his first two tests. What must he score on his third test in order to have an average of at least 70?

  1. 👍 0
  2. 👎 0
  3. 👁 644
  1. Mean = sum of scores/number of scores

    70 = (73+86+x)/3

    Solve for x.

    1. 👍 0
    2. 👎 0
  2. 53

    1. 👍 1
    2. 👎 0
  3. I mean 51.

    1. 👍 0
    2. 👎 0
  4. -125

    1. 👍 0
    2. 👎 1

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math

    In your​ class, you have scores of 73,85,76, and 92 on the first four of five tests. To get a grade of Upper C, the average of the first five tests scores must be greater than or equal to 70 and less than 80. a) Solve an

    asked by Ms. E on September 30, 2015
  2. Algebra

    A student scores 83 and 91 on her first 2 tests. Write and solve a compound inequality to find the possible values for a 3rd test score that would giver her an average between 85 and 90 inclusive. I know she has to score between

    asked by Tricia on October 4, 2014
  3. Math

    In your​ class, you have scores of 72, 67, 85, and 76 on the first four of five tests. To get a grade of C, the average of the first five tests scores must be greater than or equal to 70 and less than 80. - Solve an inequality

    asked by Julie on June 11, 2020
  4. graduate statistics

    A nursing professor was curious as to whether the students in a very large class she was teaching who turned in their tests first scored differently from the overall mean on the test. The overall mean score on the test was 75 with

    asked by Anonymous on July 3, 2013
  5. O98 algebra

    To receive a C grade, a student must average more than a 77 but less than 85. If Emma received a C in the course and had five grades of 74,83,73,67,and 85 before taking the final exam, what were the possible grades for her final

    asked by Sheba on June 10, 2016
  1. Math

    On his last four tests, Danib scored 55%, 78%, 84% and 93%. What score should he get on his next text so that his average on all five tests are 80%?

    asked by Andrea on May 23, 2018
  2. Math

    Neema did y tests and scored a total of 120 marks. she did two more tests which she scored 13 and 14 marks. The mean score of the first y tests was 3 marks more than the mean score for all the tests she did. Find the total number

    asked by Austin on November 23, 2018
  3. Programming

    I need help with debug Debug06-02 // Program lets user input scores on four tests // Average is computed and letter grade is determined // Letter grades are based on 90 for an A, 80 for a B, and so on start string name num score

    asked by Stephen on June 16, 2013
  4. programming concepts

    Mr. Jones always gives True/False tests to his class. His tests always have 20 ques- tions. The maximum class size is 35. He needs a program that will calculate the stu- dents’ grades based on the best score. Grade A will range

    asked by sam on May 15, 2015
  5. programming concepts

    Mr. Jones always gives True/False tests to his class. His tests always have 20 ques- tions. The maximum class size is 35. He needs a program that will calculate the stu- dents’ grades based on the best score. Grade A will range

    asked by sam on May 15, 2015
  6. maths

    Paul wrote five tests which were marked out of a total of 200 marks. Paul scored 40 out of 50 in a 6th test. What was his NEW average? HoW do I work out this type of sum.

    asked by Anonymous on March 30, 2015

You can view more similar questions or ask a new question.