math

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every math class at super fun time high school has 31 students and every science class has 18 students. the school offers 4 more math class than sciencs. if the school has 418 students, how many of each class does the school offer.

  • math -

    X science classes.
    (X+4) math classes.

    18x + 31(x+4) = 418
    18x + 31x + 124 = 418
    49x = 418 - 124 = 294
    X = 6.
    (X+4) = 6 + 4 = 10.

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