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4 November, 23:16

Solve the equation

c/7=6 1/7

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Answers (1)
  1. 4 November, 23:48
    0
    c/7 = 6 1/7 ⇒ c = 43 ⇒ 43/7 = 6 1/7

    Convert mixed fraction into a simple fraction

    6 1/7 ⇒ (6 * 7 + 1) / 7 = 43/7

    c/7 = 43/7

    proportionality:

    a/b = c/d where ad = bc

    a = c

    b = 7

    c = 43

    d = 7

    ad = bc ⇒ c7 = 7*43 ⇒ c7 = 301 ⇒ 7c/7 = 301/7 ⇒ c = 43
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