SOLUTION: A beaker contains 400L of a solution that is 32% acid. How much water should be added to make a solution that is 25% acid? I need help in organizing a chart showing how I got my a

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: A beaker contains 400L of a solution that is 32% acid. How much water should be added to make a solution that is 25% acid? I need help in organizing a chart showing how I got my a      Log On


   



Question 169040: A beaker contains 400L of a solution that is 32% acid. How much water should be added to make a solution that is 25% acid? I need help in organizing a chart showing how I got my answer. Thank you.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
.32*400=.25(400+x)
128=100+.25x
.25x=128-100
.25x=28
x=28/.25
x=112 L of water is used.
128=.25(400+112)
128=.25*512
128=128