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28 September, 09:22

Black: red = 2:5

Cards in a pack are black or red in the ratio

What fraction of the cards are red?

homo

No.

+1
Answers (2)
  1. 28 September, 10:16
    0
    Answer 5 questions
  2. 28 September, 12:44
    0
    5/7

    Step-by-step explanation:

    To solve this question,

    The ratio of black to red is 2:5

    So we will have to sum up the two ratio

    2+5=7

    To determine the fraction for red cards it will be

    Number of red/total sum

    Red is 5 which means 5/7

    So the fraction for red cards is 5/7
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