Friday
July 25, 2014

Homework Help: Math Algebra , high school

Posted by Gina on Thursday, December 13, 2012 at 10:14pm.

A biologist has three salt solutions: some 5% solution, some 15% solution, and some 25% solution. She needs to mix some of each to get 50 liters of 20% solution. She wants to us twice as much of the 5% solution as the 15% solution. How much of each solution should she use? How do I set it up using 3 varibles

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

math - A pharmacist wishes to mix a solution that is 6% Minocidil. She has on ...
MATH - A pharmacist mixed some 10%-saline solution with some 15%-saline solution...
ap chem - how would each error affect the molar mass of antifreeze ( too high, ...
math - a pharmacist mixed some 10% saline solution with some 15% saline solution...
math - You are a lab technician and must create 250 ml of a 17% salt solution. ...
math - You are a lab technician and must create 250 ml of a 17% salt-solution. a...
Calc - You are a lab technician and must create 250 ml of a 17% salt-solution. a...
Calc - You are a lab technician and must create 250 ml of a 17% salt solution. ...
Science - If pale green FeCl2 solution is left in the open for some time, will ...
Algebra - A chemist mixed some 20% peroxide sol with some 30% peroxide sol to ...

Search
Members