the ratio of boys to girls is 4:3 .if there are 24boys ,how many are there?​

Question

the ratio of boys to girls is 4:3 .if there are 24boys ,how many are there?​

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Thành Công 3 years 2021-08-06T17:56:37+00:00 2 Answers 17 views 0

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  1. binhan
    0
    2021-08-06T17:58:00+00:00
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    Boys to girls- 4:3

    Boys and girls- 24 and x (let the girls be x)

    4/3=24/x

    =4x= 72

    = x= 72/4

    = x= 18 girls

    Ans: There are 42 children (24+18)

  2. ngochoa
    0
    2021-08-06T17:58:19+00:00
    Reply

    Answer:

    { \bf{total \: ratio = 4 + 3 = 7}} \\ { \tt{let \: population \: be \: p}} \\ \frac{4}{7} \times p = 24 \\ 4p = 168 \\ p = 42 \\ { \bf{there \: are \: 42 \: people}}

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