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Mathematics 14 Online
OpenStudy (anonymous):

A dehydrated patient needs a 6.4% saline IV. Unfortunately, the hospital only has bags of 6% and 8% saline solutions. How many liters of each of these solutions should be mixed together to yield 1 liter of the desired concentration?

OpenStudy (anonymous):

8x + 6 ( 1-x) = 6.4

OpenStudy (anonymous):

@sharron482 Can you solve for x now?

OpenStudy (anonymous):

x = 0.2

OpenStudy (anonymous):

Thus .2 L of 8% and .8 L of 6% are needed to yield 1 L of 6.4%

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