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Missing value given the mean

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Problem

The following table shows last year's revenue for each Herman's Hoagies location.
LocationRevenue (in thousands of dollars)
Cedarton121
Rimber189
Linton147
Granton?
If the mean of the data set is 158 thousand dollars, find the revenue for the Granton location.
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi
thousand dollars
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