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24 April, 23:07

Todd's average score for six tests was 92. If the sum of the scores of two of her tests was 188, then what was her average score for the other four tests? Show all work

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Answers (2)
  1. 24 April, 23:21
    0
    91

    Step-by-step explanation:

    Sum of 6 tests:

    6 * 92 = 552

    Sum of 2 tests: 188

    Sum of 4 tests:

    552 - 188 = 364

    Average of these 4 tests:

    364/4

    91
  2. 24 April, 23:48
    0
    91

    Step-by-step explanation:

    Todd's average score for six tests = 92.

    The sum of two of her test = 188

    First, we need to find the total score for the six test. This given below:

    Average = sum of all test / number of test

    sum of all the test = average x number of test

    average score for six tests = 92.

    Number of test = 6

    Sum of all the Tests = 92 x 6 = 552

    Sum of four test = sum of all the test - sum of two test

    Sum of four test = 552 - 188 = 364

    Now we can solve for the average of the other four test as shown below:

    Average of four test = 364/4 = 91
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