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Answer:
You have a total of 2.25 cups of liquid each time you add 2 cups of water with .25 cups of concentrate.
You want to know how many times 2.25 cup "units" there are in 18 cups.
(18)/(2.25) = 8, so you have 8 "units" of water and concentrate
In each of those 8 "units" you have .25 cups concentrate, so (8)(.25) = 2 cups of concentrate.
In each of the "units" you have 2 cups of water, so (8)(2) = 16 cups water.
Please let me know if you have any questions.
Step-by-step explanation:
Based on the information, 2.25 cups of water will be needed.
Let the cups of water needed to be represented by x.
The equation to solve the question will then be:
0.25/x = 2/18
Cross multiply
2 × x = 18 × 0.25
2x = 4.5
x = 4.5/2
x = 2.25
Therefore, 2.25 cups of water are required.
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