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There are 50% more girls than boys in Mr. Lee's physical classes. If 40% of the girls and 20% of the boys got an A on the last test, what percent of all the students got an A on the test?

  • Math -

    g = 1.50 b
    Find x such that
    x (g + b) = 0.20 b + 0.40 g

    Hint: Substitute for g then eliminate common terms.

    Express x as a percentage.

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