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20 July, 07:43

The ratio of boys to girls in Mr. Johnson's after-school club is the same as the ratio of boys to girls in Ms. Greene's after-school club. There are 4 boys and 12 girls in Mr. Johnson's club. There are 6 boys in Ms. Greene's club. How many girls are in Ms. Greene's club? A 2 B 12 C 14 D 18

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  1. 20 July, 08:33
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    D. 18

    Step-by-step explanation:

    The ratio of boys to girls in Mr. Johnson's after-school club is the same as the ratio of boys to girls in Ms. Greene's after-school club.

    There are 4 boys and 12 girls in Mr. Johnson's club.

    There are 6 boys in Ms. Greene's club.

    to get the number of girls in greene's club we represent it by x

    and intrepret it in ratio

    4:6 = 12: x

    4/6 = 12/x

    cross multiply

    4x = 6 x12 = 72

    x = 72/4 = 18

    there are 18 girls in greene's club
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