SOLUTION: A doctor mixed a 10% glucose solution with a 20% glucose solution. This mixture produced 16 oz of an 18% glucose solution. How many liters of each solution did the doctor use?
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Question 617197: A doctor mixed a 10% glucose solution with a 20% glucose solution. This mixture produced 16 oz of an 18% glucose solution. How many liters of each solution did the doctor use? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = ounces of 10% solution used
Let = ounces of 20% solution used = ounces of glucose in 10% solution = ounces of glucose in 20% solution
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given:
(1)
(2)
--------------
(2)
(2)
(2)
(2)
Multiply both sides of (1) by
and subtract from (2)
(2)
(1)
and
(1)
(1)
(1)
3.2 ounces of 10% solution is used
12.8 ounces of 20% solution is used
check:
(2)
(2)
(2)
OK
