Question 783493
Dr. Jones needs to mix a 25% glucose solution with a 5% glucose solution to make one liter of a 10% glucose solution.
 How many liters of 25% and 5% glucose solutions must be mixed? 
:
Let x = amt of 25% solution required
then since the total is to 1 liter
(1-x) = amt of 5% solution
:
.25x + .05(1-x) = .10(1)