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10 May, 05:20

Estimate the sum to the nearest whole number

29.1 + 78.9 + 41.5

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Answers (2)
  1. 10 May, 08:25
    0
    I rounded each number to the nearest whole number and added those.

    29 + 79 + 42 = 150

    If you add the original numbers you would get 149.5, which rounds to 150.
  2. 10 May, 08:46
    0
    When you estimate the sum to the nearest you add one number if the decimal is over 5. 29+79+42 = 150
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