SOLUTION: 50 mL of dextrose was added to 1.8 liters of fluid. How much more dextrose needs to be added if a 10% concentration is required?

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Question 863380: 50 mL of dextrose was added to 1.8 liters of fluid. How much more dextrose needs to be added if a 10% concentration is required?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
1000m=1L,
50m+1.8L=1.85L,
50/1850=.027
50/1850*(1850)+y=.1(1850+y)
y=150 mL
.90(1850+y)=1800/1850*(1850)
y=150 mL