SOLUTION: Tim was told by his boss to combine all the bleach solutions into one bucket. When he poured all the solutions into the bucket he ended up with 2 gallons of bleach solution. What

Question 430504: Tim was told by his boss to combine all the bleach solutions into one bucket. When he poured all the solutions into the bucket he ended up with 2 gallons of bleach solution. What is the final concentration of the combined solution given the following information?
Bottle #1: 8 cups of 2% bleach solution.
Bottle #2: 5 cups of 3% bleach solution.
Bottle #3: 10 cups of 1.8% bleach solution.
Bottle #4: 9 cups of 2.5% bleach solution.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Tim was told by his boss to combine all the bleach solutions into one bucket.
When he poured all the solutions into the bucket he ended up with 2 gallons of bleach solution.
What is the final concentration of the combined solution given the following information?
:
Bottle #1: 8 cups of 2% bleach solution.
Bottle #2: 5 cups of 3% bleach solution.
Bottle #3: 10 cups of 1.8% bleach solution.
Bottle #4: 9 cups of 2.5% bleach solution.
----------------------
Total amt:32 cups, which is 2 quarts
:
Let x = the decimal amt of bleach in the resulting mixture.
:
.02(8) + .03(5) + .018(10) + .025(9) = x(32)
.16 + .15 + .18 + .225 = 32x
.715 = 32x
x =
x = .02234 * 100 = 2.234%
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