Saturday

September 20, 2014

September 20, 2014

Posted by **Eric** on Sunday, January 2, 2011 at 2:11pm.

- Algebra 1 -
**Marth**, Sunday, January 2, 2011 at 2:16pmStart by defining variables.

Let x = the amount of the 15% alcohol solution.

Let y = the amount of the 35% alcohol solution.

We want to find x.

Now define equations from the word problems.

x+y = 100 to have 100 gallons of solution.

0.15x + 0.35y = 29 to have a 29% solution.

Solve the system of equations. x=?

**Answer this Question**

**Related Questions**

algebra - a lab technician has a 15% alcohol solution. She wants to make 100 ...

Science - Rubbing alcohol is a solution of 70 percent alcohol and 30 percent ...

Math - 1. In the lab, Deon has two solutions that contain alcohol and is mixing ...

math - a chemist has a solution that is 20 percent alcohol by volume. which of ...

math - in the lab, tom has two solutions that contain alcohol and is mixing them...

math - An alcohol solution consists of 6 gallons of pure water and x gallons of ...

math - An alcohol solution consists of 6 gallons of pure water and x gallons of ...

algebra HELP - mary has a solution that is 60% alcohol and another that is 20% ...

Alegebra - Solution A is 60% alcohol and Solution B is 30% alcohol. How much of ...

Science - A solution made up of 20ml of mythl alcohol and 50ml of water. What is...