Wednesday

November 26, 2014

November 26, 2014

Posted by **Veronica** on Monday, August 31, 2009 at 11:42pm.

- Algebra -
**DrBob222**, Monday, August 31, 2009 at 11:56pmLet 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 12:09amSolution 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 4:32amIf 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 9:23am0.4(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

**Answer this Question**

**Related Questions**

After-school activities for high school students - I recently received a job to...

algebra 2 - In a high school, 35% of the 3500 students participate in sports. ...

Math - The school band is comprised of middle school students and high school ...

English - 1. My school begins at 8:30 a.m. like Bora's school. 2. Our school ...

stastics - Approimately 10.3% of American high school students drop out of ...

Statistic - consider the population of all students at your school. A certain ...

Statistics - A researcher is interested in whether students who attend private ...

english - how about this for starters? The shift from being a high school ...

ci - A researcher is interested in whether students who attend private high ...

English - 1. I am a freshman in high school. 2. I am a freshman of high school...