Monday

January 26, 2015

January 26, 2015

Posted by **Jane** on Friday, December 30, 2011 at 12:09pm.

A chemist has one solution containing 30% insecticide and another solution containing 50% insecticide. How much of each solution should the chemist mix to get 200 L of a 42% insecticide?

- math -
**Damon**, Friday, December 30, 2011 at 1:20pm.3 x + .5 y = .42(x+y)

and

x+y = 200

so y = (200-x)

.3 x + .5 (200-x) = 84

etc

**Answer this Question**

**Related Questions**

algebra 1 - A chemist has one solution containing 30% insecticide and another ...

Algebra - A chemist needs to mix a slution containing 30% insecticide with a ...

Chemistry - Captain Kirk, of the Starship Enterprise, has been told by his ...

mixture problems - A chemist has two solutions of sulfuric acid. One is a 25% ...

chemistry - Captain Kirk, of the Starship Enterprise, has been told by his ...

chemistry-confirm please - Only a chemist can be trusted with the combination to...

chemistry - A chemist want to make a 10% Chlorine solution from 30% Chlorine ...

Math - Professor Baird wants to mix a solution containing 10% acid with one ...

ALGEBRA - A chemist is asked to make 10 liters of a a35% solution. She has only...

Chemistry!! - A chemist wants to prepare a stock solution of H2SO4 so that a ...