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5 November, 05:31

How do you solve 39 = 1 3/10b

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Answers (2)
  1. 5 November, 06:51
    0
    1 3/10·b=39

    (1·10+3) ·b/10=39

    13b/10=39

    13b=39·10

    13b=390|:13

    b=30

    Answer: 30
  2. 5 November, 08:29
    0
    39 = 13/10 * b

    39 = 1.3 * b (13 divided by 10 = 1.3)

    39 / 1.3 = b (39 divided by 1.3)

    30=b

    Answer is 30
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