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13 December, 09:05

If the ratio from boys to girls is 3:5 and there is a class of 32, how many boys and girls are there?

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  1. 13 December, 11:16
    0
    3+5 = 8➡️ total people

    32 divided by 8➡️ scale factor

    3:5 = _:_

    3 times 8=12

    5 times 8 = 20

    3:5 = 8:12
  2. 13 December, 12:24
    0
    ratio is 3:5; 3 + 5 = 8

    32/8 = 4

    so boys: 3*4 = 12

    girls: 5*4 = 20

    boys to girls is 3:5 = 12:20
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