Question 616636
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Hi, 
20% of your customers call back within 72 hours of their first call. {{{.20*140=28}}} 
Of those who call back, 10% call back again within 96 hours of their first call
 {{{.10*28  = 2.8}}}
how many calls from those customers will you receive in the next four days?”
  {{{28 + 3 = 31}}}