SOLUTION: Mitchell has 10ml of a 30% saline solution, determine how much water he should add to get a 16% saline solution. I set the problem up like this: .3(10+X)+x=.16(10+x)but i got th

Question 27141: Mitchell has 10ml of a 30% saline solution, determine how much water he should add to get a 16% saline solution.
I set the problem up like this: .3(10+X)+x=.16(10+x)but i got the answer wrong. THe answer is 8.75ml of water but i don't know how to get to the answer correctly
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
10(30)=16(x+10)
300=16x+160
16x=140
x=8.75

Hence, the solution that shuold be added is 8.75mL.
Paul.
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