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Mathematics, 20.09.2020 04:01 alexandria3498

A survey of 600 nurses yielded the information : 325 were health club members, 423 were smokers, and 245 of the health club members were smokers . How many nurses were smokers but were not health club members ?

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A survey of 600 nurses yielded the information : 325 were health club members, 423 were smokers, and...
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