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The ratio of boys to girls in Mr. Joiner’s class is 5 to 7. If there are 15 boys in the class, how many total students are in the class?

  • math -

    b:g = 5:7
    b/g = 5/7
    given: b=15
    15/g = 5/7
    cross-multiply
    5g = 105
    g = 21

    so there are 36 students

  • math -

    118

  • math -

    How many 2s are there in 7

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