math

there are 80 students in math club. For every 5 girls, there are 3 boys. How many girls & boys in club.

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  1. Let x equal the number of girls.

    Cross multiply and solve for x.

    5/8 = x/80
    8x = 400
    x = 50

  2. 5+3=8
    50+30=80
    If for every 5 girls there are 3 boys, then for 50 girls there are 30 boys and 50+30=80 students in math club.

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