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You are going to mix a gallon bucket of window cleaner. The instructions direct you to mix 1 part cleaner to 3 parts water. How much cleaning solution will you need to use?*

Respuesta :

altavistard
The correct ratio is 1 part cleaner to 3 parts water.

Thus:  

    Such a solution would have the combined volume 4 parts.

    Here we want 1 gallon of cleaning solution, so use 1/4 gallon cleaner and 
    3/4 gallon water.  Note that 1/4 gallon + 3/4 gallon = 1 gallon (as desired),
    and that the ratio of cleaning solution volume to water volume is

     1/4 cup
    ------------ = 1:3, as required.
      3/4 cup

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