Which of the following represents “the average of 171 and x”?

(x + 2)/171

(171 + x)/2

(171 – x)/2

4 Answers

  • (x + 2)/171

  • (171 + x)/2

    When you calculate the average of numbers, you take the sum of the numbers and divide by how many numbers you are using. So the average of 171 and x would be the sum of 171 and x (171+x), then divided by 2, because you have two numbers, 171 and x.

  • (x + 2)/171

  • (171 + x)/2

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