SOLUTION: How many liters of a 40 percent solution and a 16 percent solution must be mixed to obtain 20 liters of a 22 percent solution?
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Question 254008: How many liters of a 40 percent solution and a 16 percent solution must be mixed to obtain 20 liters of a 22 percent solution?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
.40* x = .4x
.16* (20-x) = 3.2-.16x
.22* 20 = 4.4
.
.4x+3.2-.16x=4.4
.24x=1.2
x=5 liters of 40%
15 liters of 16%
.
Ed
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