algebra

In Chemistry class, Andrew has earned scores of 64, 69, and 73 on three tests. He must maintain an average of 70 to pass the course. What score must Andrew earn on the final exam to pass the course?

  1. 👍
  2. 👎
  3. 👁
  1. 400 * 0.7 = 280

    64 + 69 + 73 = 206

    280 - 206 = 74

    1. 👍
    2. 👎
    👤
    Ms. Sue

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    A professor grades students on three tests, four quizzes, and a final examination. Each test counts as two quizzes and the final examination counts as two tests. Sara has test scores of 60, 80, and 89. Sara's quiz scores are 85,

  2. Math

    Find the mean of the data set. If necessary, round to the nearest tenth. 15.8, 14.9, 17.6, 13.4. A) 15.7 ***** B) 16.2 C) 16.7 D) 19.6 Erin wrote the following set of numbers. 37, 22, 37, 19, 34, 22, 37, 22, 32, 26, 30, 22 What is

  3. math

    after her first four tests,Alisa has a mean score of 82.One more 100-point test is to be given in this class.All of the test scores are of equal importance.Is it possible for Alisa to raise her average (mean ) to 90?Explain.

  4. math

    To get a C in history, Nandan must average 74 on four tests. Scores on the first three tests were 69, 75, and 60. What is the lowest score that Nandan can get on the last test and still receive a C?

  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. Mathematics

    In a class,30 offer Biology,21 offer Chemistry and 22 offer Physics.15 offer Physics and Biology,10 offer Physics and Chemistry and 13 offer Biology and Chemistry.2 offer Physics only,3 offer Chemistry only and 7 offer Biology

  3. statistics

    Scores from a statistics exam are reported as deviation scores. Which of the following deviation scores indicates a higher position in the class distribution?

  4. Alg 1

    To earn a B in your Algebra class, you must achieve an unrounded test average between 84 and 86 (inconclusive). You scored 86,85, and 80 on the first three tests of the grading period. What possible scores can you earn on the

  1. Math

    A student earned scores of 85, 83, 90, 94, 88 and 84 on the first six tests in a biology class. What score is needed on the seventh test to produce an 86 average?

  2. Algebra

    Jessica would like to get an A in her algebra class. To do so, she must have an average of no less than 93%. She scored 89%, 95%, 92%, 96%, and 97% on her first five tests. Assuming all six tests count the same toward her grade,

  3. ACT Prep

    Question:So,far Michael has earned the following scores on five 100-point tests this semester: 72, 94, 85, 83, 97. What score must he earn on the sixth 100-point test of the semester if he wants to make an 88 point average for the

  4. Math 9

    On the first 6 tests in her social studies course, Jerelyn’s scores were 92 78 86 92 95 and 91. determine the median and the mode of her scores. If Jerelyn took a seventh test and raised the mean of her scores exactly 1 point,

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