SOLUTION: In a certain medical test designed to measure carbohydrate tolerance, an adult drinks 9 ounces of a 20% glucose solution. When the test is administered to a child, the glucose conc

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Question 1145325: In a certain medical test designed to measure carbohydrate tolerance, an adult drinks 9 ounces of a 20% glucose solution. When the test is administered to a child, the glucose concentration must be decreased to 10%. How much 20% glucose solution and how much water should be used to prepare 9 ounces of 10% glucose solution?
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Four-and-a-half fluid ounces of the 20% glucose and dilute to 9 fluid ounces with water.

(One could do this problem in their head.)