Math

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Can someone help me find the technique or techniques used in this problem? 146 divided by 68. I thought that 14 and 7 are easy to divide, so I used 140 divided by 70, which is 2. The quotient is about 2.

  • Math -

    were do you get 14 and 7 from 146 and 68?

  • Math -

    you are using the technique of "approximation"

    I usually glance at the numbers, in this case 140 is close to 146 and 70 is close to 68
    and 140/70 = 14/7 = 2

    (actual answer: 2.147)

  • Math -

    oh i was not thinking of that when i poasted last sorry if i caused any counfution.

  • Math -

    whats 68/952

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