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7 October, 03:38

A group consisted of 2 girls for every boy. 24 girls joined the group. there are now 5 girls for every boy. how many boys are in the group

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  1. 7 October, 03:46
    0
    Situation 1:

    Situation 2:

    Replacing g in the second equation:

    In the Situation 1 there was 16 girls and 8 boys = 24 persons

    In the Situation 2 there are 40 girs + 8 boys = 48 persons
  2. 7 October, 04:05
    0
    The new ratio is 5:1.

    5 girls to every 1 boy is, 8 boys and 40 girls.

    So there is now 8 boys in the group
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