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HowAboutYouDont
You would need 3 cups of water to keep all the flowers alive.
rachaelb
Debby needs 1/3 per 1 cup
if you set up a ratio
(1/3)/1=x/9 and cross multiply to find x
Or just multiply 9 by 1/3.
9/3 reduces down to 3. You need 3 cups of water for 9 cups of flour.

Or if you think about it, you need 1/3 of nine, which is 3.