Posted by **Christopher** on Sunday, March 7, 2010 at 1:42pm.

Among 100 coffee drinkers, 36 said that they preferred their coffee black and the rest did not prefer their coffee black to those who prefer non black coffee.

Find a ratio for each of the following and write it as a ratio of integers in lowest terms.

I do not know where to begin? I do not know how to set – up.

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