SOLUTION: A dehydrated patient needs a 3.82% saline IV. Unfortunately, the hospital only has bags of 4% and 3% saline solutions. How many liters of each of these solutions should be mixed to

Question 408565: A dehydrated patient needs a 3.82% saline IV. Unfortunately, the hospital only has bags of 4% and 3% saline solutions. How many liters of each of these solutions should be mixed together to yield 5 liters of the desired concentration?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi

yield 5 liters

Let x and (5L-x) represent the amount of 4% and 3% solution

Question states***

  .04x +.03(5L-x)= 3.82*5L 

Solving for x

      .01x = 3.79*5L 

Will Let You take it from here.. 

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