There are 300 audience members at an opera and 26 are wearing bowties. a) How many audience members are not wearing bowties? What is the universal set for this scenario?

300-26=274

The opera

Step-by-step explanation:

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answer:

a(n) - a(n-1) -3

discussion:

this ones a bit interesting. given a(n) = 5 - 3n consider this:

a(n-1) = 5 - 3(n-1)

          = (5 - 3n) + 3             => but a(n) = 5 - 3n, the first term

          = a(n)   + 3                 => subtract 3 from both sides

a(n-1) -3 = a(n)  

or

a(n) - a(n-1) -3

you,

mrb

a .4y4

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