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4 May, 00:32

In a class there are 20 boys and 25 girls the ratio of girls to the total number of pupils in the class is?

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Answers (2)
  1. 4 May, 00:45
    0
    25:45 or 5:9

    Step-by-step explanation:

    Because you want girls to all pupils, you just put that number against one another, there fore 25:45; but you can simplify it further because you can divide both by 5, therefore 5:9
  2. 4 May, 01:01
    0
    5: 9

    Step-by-step explanation:

    The total number of students is

    20+25 = 45

    ratio is

    boys : girls: total

    20 : 25: 45

    We can divide each of these by 5

    20/5 : 25/5: 45/5

    4 : 5 : 9

    The ratio of girls to the total number is

    5: 9
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