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Mathematics 20 Online
OpenStudy (anonymous):

In a recent survey, 175 high school seniors were asked about what methods they use to prevent acne including bar soap or face wash. The results are displayed in the Venn Diagram below.

OpenStudy (anonymous):

If a student is randomly selected from the group, what is the probability that they used both bar soap and face wash? Round your answer to the nearest whole percent. 10% 20% 30% 60%

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