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12 November, 11:37

Solve and check.

C/3=6 1/7

(a).2 1/2

(b).2 1/7

(c).18 1/7

(d).18 3/7

I think its c. Am I right?

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Answers (2)
  1. 12 November, 11:40
    0
    No the answer is 18 3/7 (d) convert 6 1/7 to 43/7 c/3=43/7 cross multiply 7c = 129 c = 18 3/7
  2. 12 November, 11:52
    0
    C/3 = 6 1/7

    Multiply 3 to both sides:

    C = 6 1/7 * 3

    Convert 6 1/7 into an improper fraction:

    C = 43/7 * 3

    Multiply 3 to the numerator:

    C = 129/7

    Convert back into a mixed number:

    C = 18 3/7
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