The number of boys and girls in a class are in the ratio 5:4. If the number of boys is 9 more than the number of girls, then number of

Question

The number of boys and girls in a class are in the ratio 5:4. If the
number of boys is 9 more than the number of girls, then number of
boys is 9

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Gia Bảo 3 years 2021-08-25T00:10:19+00:00 1 Answers 7 views 0

Answers ( )

  1. Nho
    0
    2021-08-25T00:11:25+00:00
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    Answer:

    no.of boys is 45

    Step-by-step explanation:

    here, let the number of boys and girls be 5x and4x

    ATQ,

    5x=4x+9

    or,5x-4x=9

    or,x=9

    then, the number of boys is 9×5=45

    and the number of girls is 9×4=36..

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