Math

Sarah's scores in her tests are as follows: 89, 94, 90, 90. What will be her grade in her next test if she wants to have an average of 92?

  1. 👍 0
  2. 👎 0
  3. 👁 114
asked by Sabie
  1. 89+94+90+90 = 363

    92 x 5 = 460

    460 - 363 = 97

    She needs a grade of 97 in her next test.

    PROVE:

    89+94+90+90+97 = 460

    460
    -----

    1. 👍 0
    2. 👎 0
    posted by Sabie
  2. 89+94+90+90 = 363

    92 x 5 = 460

    460 - 363 = 97

    She needs a grade of 97 in her next test.

    PROVE:

    89+94+90+90+97 = 460

    460
    ----- = 92 ! YAY!
    5

    1. 👍 0
    2. 👎 0
    posted by Sabie
  3. Correct! Well done!
    :)

    1. 👍 0
    2. 👎 0
    posted by MathMate

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    Sarah was trying to figure out her grades for her math course. She only knew the grade of 4 tests she had taken, however the class had taken 5 tests total. She scored a 94, 67, 83 and 93. If Sarah ended up with a grade of 90, what

    asked by Jay on April 18, 2015
  2. Math

    Sarah was trying to figure out her grades for her math course. she only knew the grade of 4 of the tests she had taken, However the class had taken 5 tests total. She scored a 94, 67, 83, and 93. If Sarah ended up with a grade of

    asked by JWL on January 21, 2015
  3. Algebra

    A student is taking a literature course in which four tests are given. To get a B, he must average at least 80 on the four tests. The student got scores of 82, 76, and 78 on the first three tests. Determine (in terms of

    asked by Liz on October 31, 2011
  4. Math

    Sarah was trying to figure out her grades for her math course. She only knew the grade of 4 of the tests she had taken, however the class had taken 5 tests total. She scored a 94, 67, 83, and 93. If Sarah ended up with a grade of

    asked by Bella on March 26, 2015
  5. Algebra

    You are taking course in which there will be four tests, each worth 100 points. You have scores of 99,99 , and 92 on the first three tests. You must make a total of 360 in order to get an A. What scores on the last test will give

    asked by Roman on August 19, 2008
  6. Algebra

    You are taking a math course in which there will be four tests each worth 100 pts. You have scores of 99, 94, & 90 on the first three tests. You must make a total of 360 in order to get an A. What scores on the last test will give

    asked by Pam on October 2, 2009
  7. Algebra 1

    What is the solution of this question. You are taking a science course in which there will be four tests, each worth 100 points. You have scores of 88, 88, and 98 on the first three tests. You must make a total of 360 in order to

    asked by Desperately seeking help!! on November 28, 2010
  8. 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
  9. statistics!

    1) Entry to a certain University is determined by a national test. The scores on this test are normally distributed with a mean of 500 and a standard deviation of 100. Tom wants to be admitted to this university and he knows that

    asked by joane on October 24, 2012
  10. math

    In his algebra class, Rob has scores of 79, 85, 81, and 65 on his first four tests. To get a grade of C, the average of the first five tests must be greater than or equal to 70 and less than 80. Solve an inequality to find the

    asked by jack on May 18, 2011

More Similar Questions