SOLUTION: How can you get 6 cups of a liquid using a container that holds 4 cups and another one that holds 9 cups?

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Question 202: How can you get 6 cups of a liquid
using a container that holds 4 cups and another one that holds 9 cups?
Answer by ichudov(507) About Me  (Show Source):
You can put this solution on YOUR website!
If you fill a 9 cup container, and then pour off to fill a full 4 cup
container, dump water from the 4 cup container and fill it again, you
would be left with 9-4-4 = one cup of water in the big container. Pour
that one cup of water into the 4 cup container and set it aside. Fill
the 9 cup again, pour off 3 cups into the 4 cup container (which
already holds one cup, so it has space for 3 more cups), you will end
up with 6 cups in the big container.