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3 October, 15:34

Fo subtract 62-17, mentally talia subtracted 62-20=42 first what should talia fo to find the difference

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  1. 3 October, 16:26
    0
    Round 62 to 60 and 17 to 20
  2. 3 October, 18:40
    0
    Talia did 62 - 20 = 42, instead of 62 - 17

    Since she subtracted 20 instead of 17, that means she over subtracted by 3. To get the correct answer she has to add back 3 to her initial answer.

    Since she over subtracted.

    So she has to add 3, that is 42 + 3 = 45

    Hope this explains it.
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