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moozikatayds
moozikatayds moozikatayds
  • 04-08-2016
  • Mathematics
Answered

Describe a real world scenario that is an arithmetic series. Show your work as you find the 7th term of your scenario.

Verified Answer :

Hagrid
Hagrid Hagrid
  • 06-08-2016

A new night club opens. The first night 100 patrons attend. For each successive night for a month, 20 more attend. How many attend on the 7th night?

Arithmetic sequence formula finding the nth number:

an = a1 + (n – 1)d

A(7) = 100 + (7-1) 20

A(7) = 100 + (6)20

A(7) = 100 + 120

A(7) = 220


So, on the 7th night, there 220 patrons.

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