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28 July, 01:51

Which of the following is the estimated sum of fifty-five, sixty, and sixty-five using compatible numbers?

A. 170

B. 180

C. 190

D. 200

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Answers (1)
  1. 28 July, 05:50
    0
    C. 190

    Round each number

    55→60.

    60→60

    65→70

    Then add all of your rounded numbers.

    60+60+70=190
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