7th grade math

Each person has taken four tests and has one more test to take.Find the score that each person must make to change the mean or median as shown

Barry has scores of 93,84,86,and75.He wants to raise the mean to 86

  1. 👍 0
  2. 👎 0
  3. 👁 168
  1. Mean = sum of scores/number of scores

    (93+84+86+75+x)/5 = 86

    Solve for x.

    1. 👍 0
    2. 👎 0
  2. x-14=-3 one step equation

    1. 👍 0
    2. 👎 0
  3. baryy has scores of 93,84,86,and 75. he wants to raise the mean to 86

    1. 👍 0
    2. 👎 0
  4. Barry has scores of 93 84 86 and 75. He wants to raise the mean to 86.

    1. 👍 0
    2. 👎 0

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

  2. Statistics

    In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 15% of

  3. 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

  4. algebra

    Jacob has a mean score of 78 after his first four math tests. He wants to make a B, or an average of 80, in math. What does he need to score on the fifth test to have a mean score of 80?

  1. Math

    jacob has test scores of 87,93,95,95 on his first four tests. What must he score on the final test to have at least a 93

  2. Statistics

    In your biology class, your final grade is based on several things: a lab score, score on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 25% of

  3. statistics

    1. Suppose you administered an anxiety test to a large sample of people and obtained normally distributed scores with a mean of 45 and a standard deviation of 4. Do not use the web calculator to answer the following questions.

  4. tax income

    To be a qualifying child, the taxpayer must meet three general tests and five specific tests. What are the three general tests? A. Relationship test, residency test and gross income test B. Support test, age test and relationship

  1. math

    After six biology tests, Ruben has a mean score of 73. What score does Ruben need on the next test to raise his average (mean) to 75?

  2. statistics

    Three students take equivalent stress tests. Which is the highest relative score? a. A score of 144 on a test with a mean of 128 and a standard deviation of 34. b. A score of 90 on a test with a mean of 86 and a standard deviation

  3. math

    In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 16% of

  4. math

    After his six biology tests, Ruben has a mean score of 78. What Score does Ruben need on the next test to raise his average (mean) to 80?

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