Friday

March 6, 2015

March 6, 2015

Posted by **Monica** on Sunday, June 23, 2013 at 8:42pm.

- math -
**Kuai**, Sunday, June 23, 2013 at 9:46pm.1x + .5(200-x) = .2(200)

.1x + 100 -.5x = 40

-.4x + 100 = 40

-.4x + 100-100 = 40-100

-.4x = -60

x = 150

10% at 150 and 50% at 50

- math -
**Monica**, Monday, June 24, 2013 at 10:11amThank you Kuai!

**Answer this Question**

**Related Questions**

Math - A chemistry teacher needs 2.5 liters of a sulfuric acid solution that is ...

algebra - a chemist needs 10 liters of a 25% acid solution. the solution is to ...

algebra - An industrial chemist will mix two acid solutions. One is 37% solution...

Mathematics - A solution is mixed with a 12% acid solution to form a 16% acid ...

Math - Solution A is 80% Alcohol and Solution B is 30% Alcohol. How many Liters ...

Math - a chemist has an 18% acid solution and a 36% acid solution. How many ...

math - A lab needs a 20 liters of a 15% acid solution. The lab only has a 10% ...

Math - a pharmacist has a 40% acid solution and has a 25% acid solution. How ...

pharmacy tech. - a pharmacist has a 40% acid solution and has a 25% acid ...

algebra - How many liters of a 20% solution of acid should be added to 10 liters...