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Algebra

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A high school has 900 students, 40% of whom are drama majors. A second high school has a 75% drama majors population. The school board plans to merge the two schools into a Performing Arts magnet school that will then have a 52.5% drama majors student body. How many students are at the second school?

  • Algebra -

    Let x = # students at second h.s.
    =======================
    0.4(900) + 0.75x = 0.525(900+x)
    solve for x.

  • Algebra -

    Solution A is 30% acid and solution B is 60% acid. How many gallons of each solution must be used to create a 60 gallon mixute that is 50% acid. I have to set this up as a system of equations, and I thought one system was x + y = 60, but I can't get an answer, please help

  • Algebra -

    If you piggy back one question on another you are unlikely to get an answer, because it looks as though the question has been answered. You should show you question as a new problem.

  • Algebra -

    0.4(900)+0.75x = 0.525(900+x)
    360 + 0.75x = 472.5 + 0.525x
    0.75x - 0.525x = 472.5 - 360
    0.225x = 112.5
    0.225x/0.225 = 112.5/0.225
    x = 500

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