SOLUTION: You have 4 ounces of 20% alcohol solution. What do you need to add to make 10 ounces of 26% alcohol solution?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: You have 4 ounces of 20% alcohol solution. What do you need to add to make 10 ounces of 26% alcohol solution?      Log On


   

Question 22960: You have 4 ounces of 20% alcohol solution. What do you need to add to make 10 ounces of 26% alcohol solution?
Answer by stanbon!(97) About Me  (Show Source):
You can put this solution on YOUR website!
Follow the alcohol.
You start with 20%(4) = 0.8 ounces
You must add 6 ounces of "x"% solution if you are going to get 10 ounces.
You end up with 26%(10)= 2.6 ounces.
Equation:
0.8 + x(6) = 2.60
8 + 60x = 26
60x = 18
x = 0.3 or 30%
So, you must add 6 ouncs of 30% solution.
Cheers,
Stan H.