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In a survey of a TriDelta chapte with 54 member, 20 were taking mathematics, 35 were taking English, and 6 were taking both. Ho...Asked by jeanette
In a survey of a TriDelt chapter with 50 members, 20 were taking mathematics, 32 were taking English, and 6 were taking both. How many were not taking either of these subjects?
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Answered by
Steve
just recall the rule that
total = one + other - both.
So, counting just the ones taking something, you have
20+32-6 = 46
So, the other 4 took nothing.
total = one + other - both.
So, counting just the ones taking something, you have
20+32-6 = 46
So, the other 4 took nothing.
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