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25 July, 00:09

Which of the following is the estimated sum of 87 and 110 using compatible numbers?

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Answers (2)
  1. 25 July, 00:11
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    200 should be your answer to the question
  2. 25 July, 00:16
    0
    87 110

    sorry, for compatible numbers, you have to round

    therefore 87 rounds to 90 (for tens)

    110 would stay the same

    110 + 90 = 200

    200 should be your answer
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