Posted by Veronica on Monday, August 31, 2009 at 11:42pm.
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  DrBob222, Monday, August 31, 2009 at 11:56pm
Let x = # students at second h.s.
=======================
0.4(900) + 0.75x = 0.525(900+x)
solve for x.

Algebra  Dana, Tuesday, September 1, 2009 at 12:09am
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  Dr Russ, Tuesday, September 1, 2009 at 4:32am
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  Anonymous, Tuesday, September 1, 2009 at 9:23am
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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